diff --git a/docs/api/property_number.md b/docs/api/property_number.md
index a966f9aaf..d6093dc92 100644
--- a/docs/api/property_number.md
+++ b/docs/api/property_number.md
@@ -23,6 +23,24 @@ Get property unit value.
 
 Returns **[String][2]** 
 
+### getMin
+
+Get min value.
+
+Returns **[Number][3]** 
+
+### getMax
+
+Get max value.
+
+Returns **[Number][3]** 
+
+### getStep
+
+Get step value.
+
+Returns **[Number][3]** 
+
 ### upUnit
 
 Update property unit value.
diff --git a/src/style_manager/model/PropertyRadio.js b/src/style_manager/model/PropertyRadio.js
index 1b3721b36..809f2b9a1 100644
--- a/src/style_manager/model/PropertyRadio.js
+++ b/src/style_manager/model/PropertyRadio.js
@@ -1,85 +1,10 @@
-import Property from './Property';
+import Property from './PropertySelect';
 
 export default class PropertyRadio extends Property {
   defaults() {
     return {
-      ...Property.prototype.defaults,
-      options: [], // Array of options, eg. [{ id: '100', label: 'Set 100' }]
+      ...Property.getDefaults(),
       full: 1,
     };
   }
-
-  /**
-   * Get available options.
-   * @returns {Array<Object>} Array of options
-   */
-  getOptions() {
-    // support old list property
-    const { options, list } = this.attributes;
-    return (options && options.length ? options : list) || [];
-  }
-
-  /**
-   * Get current selected option.
-   * @returns {Object | null}
-   */
-  getOption(id) {
-    const idSel = id || this.getValue();
-    return this.getOptions().filter(o => this.getOptionId(o) === idSel)[0] || null;
-  }
-
-  /**
-   * Update options.
-   * @param {Array<Object>} value Array of options, eg. `[{ id: 'val-1', label: 'Value 1' }]`
-   */
-  setOptions(value = []) {
-    this.set('options', value);
-    return this;
-  }
-
-  /**
-   * Add new option.
-   * @param {Object} value Option object, eg. `{ id: 'val-1', label: 'Value 1' }`
-   */
-  addOption(value) {
-    if (value) {
-      const opts = this.getOptions();
-      this.setOptions([...opts, value]);
-    }
-    return this;
-  }
-
-  /**
-   * Get the option id from the option object.
-   * @param {Object} option Option object
-   * @returns {String} Option id
-   */
-  getOptionId(option) {
-    return option.id || option.value;
-  }
-
-  /**
-   * Get option label.
-   * @param {String} id Option id
-   * @param {Object} [opts={}] Options
-   * @param {Boolean} [opts.locale=true] Use the locale string from i18n module
-   * @returns {String} Option label
-   */
-  getOptionLabel(id, opts = {}) {
-    const { locale = true } = opts;
-    const options = this.getOptions();
-    const option = options.filter(o => this.getOptionId(o) === id)[0] || {};
-    const label = option.label || option.name || id;
-    const propId = this.getId();
-    return (locale && this.em?.t(`styleManager.options.${propId}.${id}`)) || label;
-  }
-
-  initialize(...args) {
-    Property.prototype.initialize.apply(this, args);
-    this.listenTo(this, 'change:options', this.__onOptionChange);
-  }
-
-  __onOptionChange() {
-    this.set('list', this.get('options'));
-  }
 }
diff --git a/src/style_manager/model/PropertySelect.js b/src/style_manager/model/PropertySelect.js
index 9e87193f6..8be5d9442 100644
--- a/src/style_manager/model/PropertySelect.js
+++ b/src/style_manager/model/PropertySelect.js
@@ -1,8 +1,85 @@
-import Property from './PropertyRadio';
-
-export default Property.extend({
-  defaults: () => ({
-    ...Property.prototype.defaults(),
-    full: 0
-  })
-});
+import Property from './Property';
+
+export default class PropertySelect extends Property {
+  defaults() {
+    return {
+      ...Property.getDefaults(),
+      options: [], // Array of options, eg. [{ id: '100', label: 'Set 100' }]
+      full: 0,
+    };
+  }
+
+  /**
+   * Get available options.
+   * @returns {Array<Object>} Array of options
+   */
+  getOptions() {
+    // support old list property
+    const { options, list } = this.attributes;
+    return (options && options.length ? options : list) || [];
+  }
+
+  /**
+   * Get current selected option.
+   * @returns {Object | null}
+   */
+  getOption(id) {
+    const idSel = id || this.getValue();
+    return this.getOptions().filter(o => this.getOptionId(o) === idSel)[0] || null;
+  }
+
+  /**
+   * Update options.
+   * @param {Array<Object>} value Array of options, eg. `[{ id: 'val-1', label: 'Value 1' }]`
+   */
+  setOptions(value = []) {
+    this.set('options', value);
+    return this;
+  }
+
+  /**
+   * Add new option.
+   * @param {Object} value Option object, eg. `{ id: 'val-1', label: 'Value 1' }`
+   */
+  addOption(value) {
+    if (value) {
+      const opts = this.getOptions();
+      this.setOptions([...opts, value]);
+    }
+    return this;
+  }
+
+  /**
+   * Get the option id from the option object.
+   * @param {Object} option Option object
+   * @returns {String} Option id
+   */
+  getOptionId(option) {
+    return option.id || option.value;
+  }
+
+  /**
+   * Get option label.
+   * @param {String} id Option id
+   * @param {Object} [opts={}] Options
+   * @param {Boolean} [opts.locale=true] Use the locale string from i18n module
+   * @returns {String} Option label
+   */
+  getOptionLabel(id, opts = {}) {
+    const { locale = true } = opts;
+    const options = this.getOptions();
+    const option = options.filter(o => this.getOptionId(o) === id)[0] || {};
+    const label = option.label || option.name || id;
+    const propId = this.getId();
+    return (locale && this.em?.t(`styleManager.options.${propId}.${id}`)) || label;
+  }
+
+  initialize(...args) {
+    Property.prototype.initialize.apply(this, args);
+    this.listenTo(this, 'change:options', this.__onOptionChange);
+  }
+
+  __onOptionChange() {
+    this.set('list', this.get('options'));
+  }
+}