diff --git a/docs/.vuepress/config.js b/docs/.vuepress/config.js
index 7435821a5..6c3e06714 100644
--- a/docs/.vuepress/config.js
+++ b/docs/.vuepress/config.js
@@ -74,6 +74,7 @@ module.exports = {
         ['/api/style_manager', 'Style Manager'],
         ['/api/sector', `${subDivider}Sector`],
         ['/api/property', `${subDivider}Property`],
+        ['/api/property_number', `${subDivider}PropertyNumber`],
         ['/api/storage_manager', 'Storage Manager'],
         ['/api/device_manager', 'Device Manager'],
         ['/api/device', `${subDivider}Device`],
diff --git a/docs/api.js b/docs/api.js
index 797bdabe6..cf00bbf06 100644
--- a/docs/api.js
+++ b/docs/api.js
@@ -23,6 +23,7 @@ async function generateDocs () {
     ['style_manager/index.js', 'style_manager.md'],
     ['style_manager/model/Sector.js', 'sector.md'],
     ['style_manager/model/Property.js', 'property.md'],
+    ['style_manager/model/PropertyNumber.js', 'property_number.md'],
     ['storage_manager/index.js', 'storage_manager.md'],
     ['device_manager/index.js', 'device_manager.md'],
     ['device_manager/model/Device.js', 'device.md'],
diff --git a/docs/api/property_number.md b/docs/api/property_number.md
new file mode 100644
index 000000000..a966f9aaf
--- /dev/null
+++ b/docs/api/property_number.md
@@ -0,0 +1,48 @@
+<!-- Generated by documentation.js. Update this documentation by updating the source code. -->
+
+## PropertyNumber
+
+**Extends Property**
+
+### Properties
+
+*   `units` **[Array][1]<[String][2]>** Array of units, eg. `['px', '%']`
+*   `min` **[Number][3]** Minimum value.
+*   `max` **[Number][3]** Maximum value.
+*   `step` **[Number][3]** Step value.
+
+### getUnits
+
+Get property units.
+
+Returns **[Array][1]<[String][2]>** 
+
+### getUnit
+
+Get property unit value.
+
+Returns **[String][2]** 
+
+### upUnit
+
+Update property unit value.
+The change is also propagated to the selected targets.
+
+#### Parameters
+
+*   `unit` **[String][2]** New unit value
+*   `opts` **[Object][4]** Options (optional, default `{}`)
+
+    *   `opts.noTarget` **[Boolean][5]** If `true` the change won't be propagated to selected targets. (optional, default `false`)
+
+Returns **[String][2]** 
+
+[1]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array
+
+[2]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String
+
+[3]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number
+
+[4]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object
+
+[5]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean
diff --git a/src/style_manager/model/Property.js b/src/style_manager/model/Property.js
index 6ce06e0b2..367a1840b 100644
--- a/src/style_manager/model/Property.js
+++ b/src/style_manager/model/Property.js
@@ -56,6 +56,7 @@ export default class Property extends Model {
   }
 
   _up(props, opts = {}) {
+    if (opts.noTarget) opts.__up = true;
     const { partial, ...rest } = opts;
     props.__p = !!(rest.avoidStore || partial);
     return this.set(props, { ...rest, avoidStore: props.__p });
@@ -157,7 +158,6 @@ export default class Property extends Model {
    * @param {Boolean} [opts.noTarget=false] If `true` the change won't be propagated to selected targets.
    */
   upValue(value, opts = {}) {
-    if (opts.noTarget) opts.__up = true;
     const parsed = value === null || value === '' ? this.__getClearProps() : this.__parseValue(value, opts);
     return this._up(parsed, opts);
   }
@@ -169,7 +169,6 @@ export default class Property extends Model {
    * @param {Boolean} [opts.noTarget=false] If `true` the change won't be propagated to selected targets.
    */
   clear(opts = {}) {
-    if (opts.noTarget) opts.__up = true;
     this._up(this.__getClearProps(), { ...opts, __clear: true });
   }
 
@@ -311,7 +310,7 @@ export default class Property extends Model {
    * Get a complete value of the property.
    * This probably will replace the getValue when all
    * properties models will be splitted
-   * @param {string} val Custom value to replace the one on the model
+   * @param {String} val Custom value to replace the one on the model
    * @return {string}
    * @private
    */
diff --git a/src/style_manager/model/PropertyNumber.js b/src/style_manager/model/PropertyNumber.js
index 4ba4e0896..76bbaa755 100644
--- a/src/style_manager/model/PropertyNumber.js
+++ b/src/style_manager/model/PropertyNumber.js
@@ -5,7 +5,7 @@ import { hasWin } from 'utils/mixins';
 
 /**
  * @typedef PropertyNumber
- * @property {Array<String>} units Array of units, eg. ['px', '%']
+ * @property {Array<String>} units Array of units, eg. `['px', '%']`
  * @property {Number} min Minimum value.
  * @property {Number} max Maximum value.
  * @property {Number} step Step value.
@@ -39,8 +39,36 @@ export default class PropertyNumber extends Property {
     return this.get('unit');
   }
 
+  /**
+   * Get min value.
+   * @returns {Number}
+   */
+  getMin() {
+    return this.get('min');
+  }
+
+  /**
+   * Get max value.
+   * @returns {Number}
+   */
+  getMax() {
+    return this.get('max');
+  }
+
+  /**
+   * Get step value.
+   * @returns {Number}
+   */
+  getStep() {
+    return this.get('step');
+  }
+
   /**
    * Update property unit value.
+   * The change is also propagated to the selected targets.
+   * @param {String} unit New unit value
+   * @param {Object} [opts={}] Options
+   * @param {Boolean} [opts.noTarget=false] If `true` the change won't be propagated to selected targets.
    * @returns {String}
    */
   upUnit(unit, opts) {