Mini body, smaller and more convenient, easy to install, put it directly in the switch bottom box. So you 't have to climb stairs to install the controller. Two connection methods: the controller is only connected to the N line and the L line, not to the switch. This smart DIY switch can be used with your 2 control switches. In particular, you can still manually control the switch after installation. Voice Control: Fully compatible with Amazon and Google Home/Tmall Genie. Timing function: set the time to turn on the light, set the time to . 16A current: suitable for most devices in the home. Type; smart switch Input : 100-240V 50/60Hz Maximum load current: 16A WiFi standard: tuya zigbee Application name: Tuya Smart Size: 42 x 42 x 20mm Material: PC colour: white Package Contents: 1 x Smart Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.