Support Two-way Control: This elegant DIY switch could be used for your old 2 way control switch. In particular, it is still available to check the old switch manually after it isntalled it. Tuya ZigBee Hub Required: A Tuya ZigBee hub is a must for the remote control and voice control mini smart switch app. Also, You can connect other Tuya ZigBee products with the hub to make a complete smart for your home. Remote Control App: Lighting or remote control appliances of your home via Smart Life app from anywhere at any time. Hub required. Voice control: ZigBee DIY switch works with Alexa and Google Home Assistant to conveniently control appliances with simple voice when . Timing function: Create schedules to automatically turn your or lighting on / off. It helps you in energy saving and electric tax. Relay status setting: Don't worry about power failure, you can set this switch to restore the state after power on. Group control: Set all your smart switches in one group from the Smart Life app. So one-click to turn on / off all your devices or smartphone lighting. Smart Scene: Create your own scene to turn ON / OFF from home mode, home mode, temperature, humidity, or other environmental conditions. Colour: white Material: plastic Size: Size about: 59x42x20mm Package Contents: 1 * 6A Tuya ZigBee 3.0 Smart Switch Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.