Overview: This product is a 16 channels universal Zigbee smart switch , for your smart home system to remotely and automatically turn on or off home appliances and electronic devices by phone APP. It can connect and control appliances on APP at same time, and you can independently turn on or off each of gangs. It also supports timing turning on or off appliances at a specified time, and share to others so that you can control your smart home together with your family. You can also voice control your home appliances by , and for Home or Nest, and enjoy intelligent life and make your home smarter. A total of 16 channels, of which 1-4 channels are 50A Magnetic latching relays and 5-16 channels are 16A relays. The 16-channel switch status can be displayed by panel LED indicator. Support RS485 switch or dry contact switch or reset switch or rocker switch Through panel key switch, the channel can be opened separately and in time sequence to realize function of separate switch and time sequence switch channel. Zigbee version, need to be used with Tuya Zigbee Gateway. What can I use it for Connect a light, remotely control switch of light, and can also switch on and off regularly 19:00 On 21:00 Off. Open your curtains regularly 7:00 Change water for fish tank regularly Use mobile phone or voice control Garage door switch Control your heater remotely And your coffee machine Connect a water pump, remote control or timer switch More functions waiting to discover. Input voltage:AC110V-240V Default inching Function: the open relay by mobile phone, then cut off pull-on imediately, you can set inching time in APP , it has timing-share function at same time. Self-locking when the inching and locking button with light on. open relay to pull-on, close relay to cut off. Note:the color is slightly different and words are slightly different, which does not affect use. Color:As Shown Material:plastic Package Contents: 1 x 16 channels universal Zigbee smart switch Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is 1-3cm.