diff --git a/thaw/src/auto_complete/mod.rs b/thaw/src/auto_complete/mod.rs
index 80157d5..47d5154 100644
--- a/thaw/src/auto_complete/mod.rs
+++ b/thaw/src/auto_complete/mod.rs
@@ -3,7 +3,7 @@ mod theme;
 use crate::{
     components::{Binder, Follower, FollowerPlacement, FollowerWidth},
     use_theme,
-    utils::{class_list::class_list, mount_style, StoredMaybeSignal},
+    utils::{class_list::class_list, mount_style, Model, StoredMaybeSignal},
     ComponentRef, Input, InputPrefix, InputRef, InputSuffix, Theme,
 };
 use leptos::*;
@@ -27,7 +27,7 @@ pub struct AutoCompleteSuffix {
 
 #[component]
 pub fn AutoComplete(
-    #[prop(optional, into)] value: RwSignal<String>,
+    #[prop(optional, into)] value: Model<String>,
     #[prop(optional, into)] placeholder: MaybeSignal<String>,
     #[prop(optional, into)] options: MaybeSignal<Vec<AutoCompleteOption>>,
     #[prop(optional, into)] clear_after_select: MaybeSignal<bool>,
diff --git a/thaw/src/calendar/mod.rs b/thaw/src/calendar/mod.rs
index 78b3f6e..1d60ff9 100644
--- a/thaw/src/calendar/mod.rs
+++ b/thaw/src/calendar/mod.rs
@@ -3,7 +3,7 @@ mod theme;
 use crate::{
     chrono::{Datelike, Days, Local, NaiveDate},
     use_theme,
-    utils::{class_list::class_list, mount_style},
+    utils::{class_list::class_list, mount_style, Model},
     Button, ButtonGroup, ButtonVariant, Theme,
 };
 use chrono::{Month, Months};
@@ -14,7 +14,7 @@ pub use theme::CalendarTheme;
 #[component]
 pub fn Calendar(
     #[prop(optional, into)] class: MaybeSignal<String>,
-    #[prop(optional, into)] value: RwSignal<Option<NaiveDate>>,
+    #[prop(optional, into)] value: Model<Option<NaiveDate>>,
 ) -> impl IntoView {
     mount_style("calendar", include_str!("./calendar.css"));
     let theme = use_theme(Theme::light);
@@ -170,7 +170,7 @@ pub fn Calendar(
 
 #[component]
 fn CalendarItem(
-    value: RwSignal<Option<NaiveDate>>,
+    value: Model<Option<NaiveDate>>,
     index: usize,
     date: CalendarItemDate,
 ) -> impl IntoView {
diff --git a/thaw/src/checkbox/checkbox_group.rs b/thaw/src/checkbox/checkbox_group.rs
index fda9c53..bc40798 100644
--- a/thaw/src/checkbox/checkbox_group.rs
+++ b/thaw/src/checkbox/checkbox_group.rs
@@ -1,16 +1,17 @@
+use crate::utils::Model;
 use leptos::*;
 use std::collections::HashSet;
 
 #[component]
 pub fn CheckboxGroup(
-    #[prop(optional, into)] value: RwSignal<HashSet<String>>,
+    #[prop(optional, into)] value: Model<HashSet<String>>,
     children: Children,
 ) -> impl IntoView {
     view! { <Provider value=CheckboxGroupInjection(value) children/> }
 }
 
 #[derive(Clone)]
-pub(crate) struct CheckboxGroupInjection(pub RwSignal<HashSet<String>>);
+pub(crate) struct CheckboxGroupInjection(pub Model<HashSet<String>>);
 
 pub(crate) fn use_checkbox_group() -> CheckboxGroupInjection {
     expect_context()
diff --git a/thaw/src/checkbox/mod.rs b/thaw/src/checkbox/mod.rs
index b607aab..33b9326 100644
--- a/thaw/src/checkbox/mod.rs
+++ b/thaw/src/checkbox/mod.rs
@@ -5,7 +5,7 @@ use crate::{
     components::*,
     icon::*,
     theme::use_theme,
-    utils::{class_list::class_list, mount_style},
+    utils::{class_list::class_list, mount_style, Model},
     Theme,
 };
 pub use checkbox_group::CheckboxGroup;
@@ -14,7 +14,7 @@ use leptos::*;
 
 #[component]
 pub fn Checkbox(
-    #[prop(optional, into)] value: RwSignal<bool>,
+    #[prop(optional, into)] value: Model<bool>,
     #[prop(optional, into)] class: MaybeSignal<String>,
     children: Children,
 ) -> impl IntoView {
@@ -44,7 +44,7 @@ pub fn Checkbox(
         >
             <input class="thaw-checkbox__input" type="checkbox"/>
             <div class="thaw-checkbox__dot">
-                <If cond=value>
+                <If cond=value.signal()>
                     <Then slot>
                         <Icon icon=icondata::AiCheckOutlined style="color: white"/>
                     </Then>
diff --git a/thaw/src/collapse/mod.rs b/thaw/src/collapse/mod.rs
index 15c693f..54961a7 100644
--- a/thaw/src/collapse/mod.rs
+++ b/thaw/src/collapse/mod.rs
@@ -6,7 +6,7 @@ pub use theme::CollapseTheme;
 
 use crate::{
     use_theme,
-    utils::{class_list::class_list, mount_style},
+    utils::{class_list::class_list, mount_style, Model},
     Theme,
 };
 use leptos::*;
@@ -15,7 +15,7 @@ use std::collections::HashSet;
 #[component]
 pub fn Collapse(
     #[prop(optional, into)] class: MaybeSignal<String>,
-    #[prop(optional, into)] value: RwSignal<HashSet<String>>,
+    #[prop(optional, into)] value: Model<HashSet<String>>,
     #[prop(optional)] accordion: bool,
     children: Children,
 ) -> impl IntoView {
@@ -42,7 +42,7 @@ pub fn Collapse(
 
 #[derive(Clone)]
 pub(crate) struct CollapseInjection {
-    pub value: RwSignal<HashSet<String>>,
+    pub value: Model<HashSet<String>>,
     pub accordion: bool,
 }
 
diff --git a/thaw/src/color_picker/mod.rs b/thaw/src/color_picker/mod.rs
index 5836f02..1f7f1c5 100644
--- a/thaw/src/color_picker/mod.rs
+++ b/thaw/src/color_picker/mod.rs
@@ -4,7 +4,7 @@ mod theme;
 use crate::{
     components::{Binder, Follower, FollowerPlacement},
     use_theme,
-    utils::{class_list::class_list, mount_style},
+    utils::{class_list::class_list, mount_style, Model},
     Theme,
 };
 pub use color::*;
@@ -14,7 +14,7 @@ pub use theme::ColorPickerTheme;
 
 #[component]
 pub fn ColorPicker(
-    #[prop(optional, into)] value: RwSignal<RGBA>,
+    #[prop(optional, into)] value: Model<RGBA>,
     #[prop(optional, into)] class: MaybeSignal<String>,
 ) -> impl IntoView {
     mount_style("color-picker", include_str!("./color-picker.css"));
diff --git a/thaw/src/date_picker/mod.rs b/thaw/src/date_picker/mod.rs
index 639c8ce..c97f9da 100644
--- a/thaw/src/date_picker/mod.rs
+++ b/thaw/src/date_picker/mod.rs
@@ -4,7 +4,7 @@ mod theme;
 use crate::{
     chrono::NaiveDate,
     components::{Binder, Follower, FollowerPlacement},
-    utils::{mount_style, now_date, ComponentRef},
+    utils::{mount_style, now_date, ComponentRef, Model},
     Icon, Input, InputSuffix, SignalWatch,
 };
 use leptos::*;
@@ -13,7 +13,7 @@ pub use theme::DatePickerTheme;
 
 #[component]
 pub fn DatePicker(
-    #[prop(optional, into)] value: RwSignal<Option<NaiveDate>>,
+    #[prop(optional, into)] value: Model<Option<NaiveDate>>,
     #[prop(optional, into)] class: MaybeSignal<String>,
     #[prop(attrs)] attrs: Vec<(&'static str, Attribute)>,
 ) -> impl IntoView {
diff --git a/thaw/src/drawer/mod.rs b/thaw/src/drawer/mod.rs
index 2929619..136106f 100644
--- a/thaw/src/drawer/mod.rs
+++ b/thaw/src/drawer/mod.rs
@@ -1,13 +1,13 @@
 use crate::{
     components::Teleport,
-    utils::{class_list::class_list, mount_style},
+    utils::{class_list::class_list, mount_style, Model},
     Card,
 };
 use leptos::*;
 
 #[component]
 pub fn Drawer(
-    #[prop(into)] show: RwSignal<bool>,
+    #[prop(into)] show: Model<bool>,
     #[prop(optional, into)] title: MaybeSignal<String>,
     #[prop(optional, into)] placement: MaybeSignal<DrawerPlacement>,
     #[prop(default = MaybeSignal::Static("520px".to_string()), into)] width: MaybeSignal<String>,
diff --git a/thaw/src/input/mod.rs b/thaw/src/input/mod.rs
index 4140629..1c1b453 100644
--- a/thaw/src/input/mod.rs
+++ b/thaw/src/input/mod.rs
@@ -6,7 +6,7 @@ pub use theme::InputTheme;
 
 use crate::{
     theme::{use_theme, Theme},
-    utils::{class_list::class_list, mount_style, ComponentRef},
+    utils::{class_list::class_list, mount_style, ComponentRef, Model},
 };
 use leptos::*;
 
@@ -42,7 +42,7 @@ pub struct InputSuffix {
 
 #[component]
 pub fn Input(
-    #[prop(optional, into)] value: RwSignal<String>,
+    #[prop(optional, into)] value: Model<String>,
     #[prop(optional, into)] allow_value: Option<Callback<String, bool>>,
     #[prop(optional, into)] variant: MaybeSignal<InputVariant>,
     #[prop(optional, into)] placeholder: MaybeSignal<String>,
diff --git a/thaw/src/input/text_area.rs b/thaw/src/input/text_area.rs
index e476c43..51810cf 100644
--- a/thaw/src/input/text_area.rs
+++ b/thaw/src/input/text_area.rs
@@ -1,12 +1,12 @@
 use crate::{
     theme::{use_theme, Theme},
-    utils::{class_list::class_list, mount_style, ComponentRef},
+    utils::{class_list::class_list, mount_style, ComponentRef, Model},
 };
 use leptos::*;
 
 #[component]
 pub fn TextArea(
-    #[prop(optional, into)] value: RwSignal<String>,
+    #[prop(optional, into)] value: Model<String>,
     #[prop(optional, into)] allow_value: Option<Callback<String, bool>>,
     #[prop(optional, into)] placeholder: MaybeSignal<String>,
     #[prop(optional, into)] on_focus: Option<Callback<ev::FocusEvent>>,
diff --git a/thaw/src/input_number/mod.rs b/thaw/src/input_number/mod.rs
index ef2e55e..ec5b184 100644
--- a/thaw/src/input_number/mod.rs
+++ b/thaw/src/input_number/mod.rs
@@ -1,4 +1,4 @@
-use crate::utils::StoredMaybeSignal;
+use crate::utils::{Model, StoredMaybeSignal};
 use crate::{Button, ButtonVariant, ComponentRef, Icon, Input, InputRef, InputSuffix};
 use leptos::*;
 use std::ops::{Add, Sub};
@@ -6,7 +6,7 @@ use std::str::FromStr;
 
 #[component]
 pub fn InputNumber<T>(
-    #[prop(optional, into)] value: RwSignal<T>,
+    #[prop(optional, into)] value: Model<T>,
     #[prop(optional, into)] placeholder: MaybeSignal<String>,
     #[prop(into)] step: MaybeSignal<T>,
     #[prop(optional, into)] disabled: MaybeSignal<bool>,
diff --git a/thaw/src/menu/mod.rs b/thaw/src/menu/mod.rs
index b4106c1..08a8693 100644
--- a/thaw/src/menu/mod.rs
+++ b/thaw/src/menu/mod.rs
@@ -2,7 +2,7 @@ mod menu_group;
 mod menu_item;
 mod theme;
 
-use crate::utils::class_list::class_list;
+use crate::utils::{class_list::class_list, Model};
 use leptos::*;
 pub use menu_group::MenuGroup;
 pub use menu_item::*;
@@ -10,7 +10,7 @@ pub use theme::MenuTheme;
 
 #[component]
 pub fn Menu(
-    #[prop(optional, into)] value: RwSignal<String>,
+    #[prop(optional, into)] value: Model<String>,
     #[prop(optional, into)] class: MaybeSignal<String>,
     children: Children,
 ) -> impl IntoView {
@@ -22,7 +22,7 @@ pub fn Menu(
 }
 
 #[derive(Clone)]
-pub(crate) struct MenuInjection(pub RwSignal<String>);
+pub(crate) struct MenuInjection(pub Model<String>);
 
 pub(crate) fn use_menu() -> MenuInjection {
     expect_context()
diff --git a/thaw/src/mobile/tabbar/mod.rs b/thaw/src/mobile/tabbar/mod.rs
index c21c082..cb274de 100644
--- a/thaw/src/mobile/tabbar/mod.rs
+++ b/thaw/src/mobile/tabbar/mod.rs
@@ -1,14 +1,14 @@
 mod tabbar_item;
 mod theme;
 
-use crate::{use_theme, utils::mount_style, Theme};
+use crate::{use_theme, utils::{mount_style, Model}, Theme};
 use leptos::*;
 pub use tabbar_item::*;
 pub use theme::TabbarTheme;
 
 #[component]
 pub fn Tabbar(
-    #[prop(optional, into)] value: RwSignal<String>,
+    #[prop(optional, into)] value: Model<String>,
     children: Children,
 ) -> impl IntoView {
     mount_style("tabbar", include_str!("./tabbar.css"));
@@ -32,7 +32,7 @@ pub fn Tabbar(
 }
 
 #[derive(Clone)]
-pub(crate) struct TabbarInjection(pub RwSignal<String>);
+pub(crate) struct TabbarInjection(pub Model<String>);
 
 pub(crate) fn use_tabbar() -> TabbarInjection {
     expect_context()
diff --git a/thaw/src/modal/mod.rs b/thaw/src/modal/mod.rs
index f679931..c571d4a 100644
--- a/thaw/src/modal/mod.rs
+++ b/thaw/src/modal/mod.rs
@@ -1,4 +1,5 @@
 use crate::icon::*;
+use crate::utils::Model;
 use crate::{
     components::{OptionComp, Teleport},
     utils::{mount_style, StoredMaybeSignal},
@@ -13,7 +14,7 @@ pub struct ModalFooter {
 
 #[component]
 pub fn Modal(
-    #[prop(into)] show: RwSignal<bool>,
+    #[prop(into)] show: Model<bool>,
     #[prop(optional, into)] title: MaybeSignal<String>,
     children: Children,
     #[prop(optional)] modal_footer: Option<ModalFooter>,
diff --git a/thaw/src/radio/mod.rs b/thaw/src/radio/mod.rs
index 82128eb..03e87b7 100644
--- a/thaw/src/radio/mod.rs
+++ b/thaw/src/radio/mod.rs
@@ -1,13 +1,13 @@
 use crate::{
     theme::use_theme,
-    utils::{class_list::class_list, mount_style},
+    utils::{class_list::class_list, mount_style, Model},
     Theme,
 };
 use leptos::*;
 
 #[component]
 pub fn Radio(
-    #[prop(optional, into)] value: RwSignal<bool>,
+    #[prop(optional, into)] value: Model<bool>,
     #[prop(optional, into)] class: MaybeSignal<String>,
     children: Children,
 ) -> impl IntoView {
diff --git a/thaw/src/select/mod.rs b/thaw/src/select/mod.rs
index 267ae49..dfd0478 100644
--- a/thaw/src/select/mod.rs
+++ b/thaw/src/select/mod.rs
@@ -3,7 +3,7 @@ mod theme;
 use crate::{
     components::{Binder, Follower, FollowerPlacement, FollowerWidth},
     theme::use_theme,
-    utils::{class_list::class_list, mount_style},
+    utils::{class_list::class_list, mount_style, Model},
     Theme,
 };
 use leptos::*;
@@ -18,7 +18,7 @@ pub struct SelectOption<T> {
 
 #[component]
 pub fn Select<T>(
-    #[prop(optional, into)] value: RwSignal<Option<T>>,
+    #[prop(optional, into)] value: Model<Option<T>>,
     #[prop(optional, into)] options: MaybeSignal<Vec<SelectOption<T>>>,
     #[prop(optional, into)] class: MaybeSignal<String>,
 ) -> impl IntoView
diff --git a/thaw/src/slider/mod.rs b/thaw/src/slider/mod.rs
index dbbd1fc..f12d01c 100644
--- a/thaw/src/slider/mod.rs
+++ b/thaw/src/slider/mod.rs
@@ -4,7 +4,7 @@ mod theme;
 use crate::{
     components::OptionComp,
     theme::use_theme,
-    utils::{class_list::class_list, mount_style},
+    utils::{class_list::class_list, mount_style, Model},
     Theme,
 };
 use leptos::*;
@@ -15,7 +15,7 @@ pub use theme::SliderTheme;
 
 #[component]
 pub fn Slider(
-    #[prop(optional, into)] value: RwSignal<f64>,
+    #[prop(optional, into)] value: Model<f64>,
     #[prop(default = MaybeSignal::Static(100f64), into)] max: MaybeSignal<f64>,
     #[prop(optional, into)] step: MaybeSignal<f64>,
     #[prop(optional, into)] class: MaybeSignal<String>,
diff --git a/thaw/src/switch/mod.rs b/thaw/src/switch/mod.rs
index 271344e..0558836 100644
--- a/thaw/src/switch/mod.rs
+++ b/thaw/src/switch/mod.rs
@@ -2,7 +2,7 @@ mod theme;
 
 use crate::{
     theme::use_theme,
-    utils::{class_list::class_list, mount_style},
+    utils::{class_list::class_list, mount_style, Model},
     Theme,
 };
 use leptos::*;
@@ -10,7 +10,7 @@ pub use theme::SwitchTheme;
 
 #[component]
 pub fn Switch(
-    #[prop(optional, into)] value: RwSignal<bool>,
+    #[prop(optional, into)] value: Model<bool>,
     #[prop(optional, into)] class: MaybeSignal<String>,
 ) -> impl IntoView {
     mount_style("switch", include_str!("./switch.css"));
diff --git a/thaw/src/tabs/mod.rs b/thaw/src/tabs/mod.rs
index 1fce522..2e2b931 100644
--- a/thaw/src/tabs/mod.rs
+++ b/thaw/src/tabs/mod.rs
@@ -2,7 +2,7 @@ mod tab;
 
 use crate::{
     theme::use_theme,
-    utils::{class_list::class_list, mount_style},
+    utils::{class_list::class_list, mount_style, Model},
     Theme,
 };
 use leptos::*;
@@ -11,7 +11,7 @@ pub use tab::*;
 
 #[component]
 pub fn Tabs(
-    #[prop(optional, into)] value: RwSignal<String>,
+    #[prop(optional, into)] value: Model<String>,
     #[prop(optional, into)] class: MaybeSignal<String>,
     children: Children,
 ) -> impl IntoView {
@@ -30,7 +30,7 @@ pub fn Tabs(
 
 #[component]
 fn TabsInner(
-    value: RwSignal<String>,
+    value: Model<String>,
     tab_options_vec: RwSignal<Vec<TabOption>>,
     #[prop(optional, into)] class: MaybeSignal<String>,
     children: Children,
@@ -161,7 +161,7 @@ pub(crate) struct TabsLabelLine {
 
 #[derive(Clone)]
 pub(crate) struct TabsInjection {
-    active_key: RwSignal<String>,
+    active_key: Model<String>,
     tab_options_vec: RwSignal<Vec<TabOption>>,
 }
 
diff --git a/thaw/src/time_picker/mod.rs b/thaw/src/time_picker/mod.rs
index 5350d54..b77be25 100644
--- a/thaw/src/time_picker/mod.rs
+++ b/thaw/src/time_picker/mod.rs
@@ -4,7 +4,7 @@ use crate::{
     chrono::{Local, NaiveTime, Timelike},
     components::{Binder, Follower, FollowerPlacement},
     use_theme,
-    utils::{mount_style, ComponentRef},
+    utils::{mount_style, ComponentRef, Model},
     Button, ButtonSize, ButtonVariant, Icon, Input, InputSuffix, SignalWatch, Theme,
 };
 use leptos::*;
@@ -12,7 +12,7 @@ pub use theme::TimePickerTheme;
 
 #[component]
 pub fn TimePicker(
-    #[prop(optional, into)] value: RwSignal<Option<NaiveTime>>,
+    #[prop(optional, into)] value: Model<Option<NaiveTime>>,
     #[prop(optional, into)] class: MaybeSignal<String>,
     #[prop(attrs)] attrs: Vec<(&'static str, Attribute)>,
 ) -> impl IntoView {
diff --git a/thaw/src/utils/mod.rs b/thaw/src/utils/mod.rs
index 9662c96..5b78c61 100644
--- a/thaw/src/utils/mod.rs
+++ b/thaw/src/utils/mod.rs
@@ -2,6 +2,7 @@
 pub(crate) mod class_list;
 mod component_ref;
 mod event_listener;
+mod model;
 mod mount_style;
 mod signal;
 mod stored_maybe_signal;
@@ -10,6 +11,7 @@ mod time;
 // pub use callback::AsyncCallback;
 pub use component_ref::{create_component_ref, ComponentRef};
 pub(crate) use event_listener::*;
+pub(crate) use model::Model;
 pub(crate) use mount_style::mount_style;
 pub use signal::SignalWatch;
 pub(crate) use stored_maybe_signal::*;
diff --git a/thaw/src/utils/model.rs b/thaw/src/utils/model.rs
new file mode 100644
index 0000000..95411f5
--- /dev/null
+++ b/thaw/src/utils/model.rs
@@ -0,0 +1,198 @@
+use leptos::{
+    Memo, ReadSignal, RwSignal, Signal, SignalGet, SignalGetUntracked, SignalSet, SignalUpdate,
+    SignalWith, SignalWithUntracked, WriteSignal,
+};
+
+pub struct Model<T>
+where
+    T: 'static,
+{
+    read: Signal<T>,
+    write: WriteSignal<T>,
+    on_write: Option<WriteSignal<T>>,
+}
+
+impl<T: Default> Default for Model<T> {
+    fn default() -> Self {
+        RwSignal::new(Default::default()).into()
+    }
+}
+
+impl<T> Clone for Model<T> {
+    fn clone(&self) -> Self {
+        Self {
+            read: self.read.clone(),
+            write: self.write.clone(),
+            on_write: self.on_write.clone(),
+        }
+    }
+}
+
+impl<T> Copy for Model<T> {}
+
+impl<T> Model<T> {
+    fn new(value: T) -> Self {
+        let rw_signal = RwSignal::new(value);
+        rw_signal.into()
+    }
+
+    pub fn signal(&self) -> Signal<T> {
+        self.read.clone()
+    }
+}
+
+impl<T: Clone> SignalGet for Model<T> {
+    type Value = T;
+
+    fn get(&self) -> Self::Value {
+        self.read.get()
+    }
+
+    fn try_get(&self) -> Option<Self::Value> {
+        self.read.try_get()
+    }
+}
+
+impl<T: Clone> SignalGetUntracked for Model<T> {
+    type Value = T;
+
+    fn get_untracked(&self) -> Self::Value {
+        self.read.get_untracked()
+    }
+
+    fn try_get_untracked(&self) -> Option<Self::Value> {
+        self.read.try_get_untracked()
+    }
+}
+
+impl<T: Clone> SignalSet for Model<T> {
+    type Value = T;
+
+    fn set(&self, new_value: Self::Value) {
+        if let Some(on_write) = self.on_write.as_ref() {
+            on_write.set(new_value.clone());
+        }
+        self.write.set(new_value);
+    }
+
+    fn try_set(&self, new_value: Self::Value) -> Option<Self::Value> {
+        if let Some(on_write) = self.on_write.as_ref() {
+            on_write.try_set(new_value.clone());
+        }
+        self.write.try_set(new_value)
+    }
+}
+
+impl<T> SignalWith for Model<T> {
+    type Value = T;
+
+    fn with<O>(&self, f: impl FnOnce(&Self::Value) -> O) -> O {
+        self.read.with(f)
+    }
+
+    fn try_with<O>(&self, f: impl FnOnce(&Self::Value) -> O) -> Option<O> {
+        self.read.try_with(f)
+    }
+}
+
+impl<T> SignalWithUntracked for Model<T> {
+    type Value = T;
+
+    fn with_untracked<O>(&self, f: impl FnOnce(&Self::Value) -> O) -> O {
+        self.read.with_untracked(f)
+    }
+
+    fn try_with_untracked<O>(&self, f: impl FnOnce(&Self::Value) -> O) -> Option<O> {
+        self.read.try_with_untracked(f)
+    }
+}
+
+impl<T> SignalUpdate for Model<T> {
+    type Value = T;
+
+    fn update(&self, f: impl FnOnce(&mut Self::Value)) {
+        self.write.update(f);
+    }
+
+    fn try_update<O>(&self, f: impl FnOnce(&mut Self::Value) -> O) -> Option<O> {
+        self.write.try_update(f)
+    }
+}
+
+impl<T> From<T> for Model<T> {
+    fn from(value: T) -> Self {
+        Self::new(value)
+    }
+}
+
+impl<T> From<RwSignal<T>> for Model<T> {
+    fn from(rw_signal: RwSignal<T>) -> Self {
+        let (read, write) = rw_signal.split();
+        Self {
+            read: read.into(),
+            write,
+            on_write: None,
+        }
+    }
+}
+
+impl<T> From<(ReadSignal<T>, WriteSignal<T>)> for Model<T> {
+    fn from((read, write): (ReadSignal<T>, WriteSignal<T>)) -> Self {
+        Self {
+            read: read.into(),
+            write,
+            on_write: None,
+        }
+    }
+}
+
+impl<T> From<(Memo<T>, WriteSignal<T>)> for Model<T> {
+    fn from((read, write): (Memo<T>, WriteSignal<T>)) -> Self {
+        Self {
+            read: read.into(),
+            write,
+            on_write: None,
+        }
+    }
+}
+
+impl<T: Default> From<(Option<T>, WriteSignal<T>)> for Model<T> {
+    fn from((read, write): (Option<T>, WriteSignal<T>)) -> Self {
+        let mut modal = Self::new(read.unwrap_or_default());
+        modal.on_write = Some(write.into());
+        modal
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::Model;
+    use leptos::*;
+
+    #[test]
+    fn from() {
+        let runtime = create_runtime();
+
+        // T
+        let modal: Model<i32> = 0.into();
+        assert_eq!(modal.get_untracked(), 0);
+        modal.set(1);
+        assert_eq!(modal.get_untracked(), 1);
+
+        // RwSignal
+        let rw_signal = RwSignal::new(0);
+        let modal: Model<i32> = rw_signal.into();
+        assert_eq!(modal.get_untracked(), 0);
+        modal.set(1);
+        assert_eq!(modal.get_untracked(), 1);
+
+        // Read Write
+        let (read, write) = create_signal(0);
+        let modal: Model<i32> = (read, write).into();
+        assert_eq!(modal.get_untracked(), 0);
+        modal.set(1);
+        assert_eq!(modal.get_untracked(), 1);
+
+        runtime.dispose();
+    }
+}