Designed 39.2 x 39.2 x 18mm mini body, which is working with most of mounting boxes.It is not only small, but also powerful. it can be used for most of home appliances and lighting.Remote control lighting or home appliances via Smart Life app from anywhere at anytime.The DIY switch works with Alexa and Google Home Assistant to conveniently control the appliances with simple voice command when you are on go.Create schedules to automatically turn the home appliances or lighting on/off. Helping you saving energy and electric fee. Never worry about power failure, you can set this switch to restore the state after power on.Group ControlSet all of your smart switches in a group by Smart Life app. Then one-click to turn/off all of your appliances or lighting by smartphone.Smart SceneCreating your own scene to trigger ON/OFF home appliances by departure mode, home mode, temperature, humidity, or other environmental conditions.Tuya Hub RequiredA Tuya hub is a must to the smart switch for app remote control and voice control. Also, you can link other Tuya products with the hub to realize a complete smart home system for your house.SPECIFICATIONRated Voltage: 200~240V 50/60HzRated Current: 100W/GangSize: 39.2 x 39.2 x 18mmPhysical Two-way Control: Support Standard: IEEE 802.15.4Operation Humidity: 90%Operation Temperature: -10~40App: TuyaSmart/Smart LifeVoice Control: Compatible with Alexa Google Homecolor: WhiteMaterial: ABSPackage Contents:2 x 1 way Smart Switch ModuleOnly the above package content, other products are not included.Note: Light shooting 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.