The smart ZigBee Tuya Device must work with Tuya gateway Hub which supports ZigBee protocol. It can't work without TuyaZigBee intelligent gateway. This product is a wireless switch supports inching /self-locking mode/Interlock Mode. Users can add the device to the Zigbee Hub in APP Smart life in order to remotely control connected or devices. In self-locking mode,customers can remotely turn on/off connected devices immediately. When in inching mode,Default inching time 1.0s, the switch will turn on and turn off immediately after 1.0s. In Lock mode, if turn switch 1 on, then switch 2 turn off, if turn switch 1 off, switch 2 will turn on. No matter where you are, you only need to download a APP to connect the Zigbee Device and control the cloud. Input voltage : DC/AC 7-32V , Micro-USB 5V input Max current : 2200W/10A Zigbee standard : Zigbee 3.0 Size : 116x38x25 mm The life of Relay Model is more than 1,000,00 Press the mode swift button to change the switch mode. type: A Colour:As shown Material:PC+Metal+Plastic Package Contents: 1 x Switch Module 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.