Voice control can handle everything in one sentence. After connecting to Tuya APP, you can control the light switch through the smart speaker. You can also set proximity in Tuya APP to realize voice control. The mobile phone is the remote control and can be controlled from anywhere. The status of the lamp is clear at a glance. One-button remote control is very convenient. No fear of disconnection, ZigBee communication, the switch adopts Zigbee communication mode, it needs to be connected to the gateway and can still be used without WIFI network. Will not affect the control and linkage of the equipment Multiple scenario modes, easy execution, support interconnection and interaction with other smart devices ZigBee smart key switch, intelligent linkage, direct control of lights in the whole house, experience smart life type: Universal 3 Switch Working voltage: 100V-240V~, 50Hz/60Hz Operating current: 10A Max (purely resistive load) Wiring : zero live wire Load type: incandescent lamp 500W/channel, LED lamp 120W/channel, energy-saving lamp 200W/channel Usage environment: temperature 0℃~40℃, relative humidity less than 95% Wireless standard: Wi-Fi IEEE802.11 b/g 2.4GHz Security mechanism: WPA-/WPA2- APP platform: Tuya Smart Smart Life Wireless standard: Zigbee 2.4GHz size: 86mm x 86mm x 40mm Material: PC colour: Grey Package Contents: 1 x Smart Switch 1 x English instructions 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.