[APP Multi-Control Association Function] New Function for our wifi switch is Multi-Control Association, it allows to control one light by multiple switches. This function is more convenient for the wifi switch, can control one light by 2 switches or multiple switches on Tuya or Smart Life app. [High Quality Physical Push Button Design & Led Indicator] High-quality end luxury design with Big physical button for push control. You can install it in your bedroom or living room. When lights are off status, led indicator can guide you find switch easily. [Led indicatorcan be turned off] You can turn off the indicator light one-click setting on the tuya/Smart Life app when you sleep. [Remote Control] Smart Switches can be controlled remotely using your phone, and devices connected with switches can work independently. Even if you are not , you can use the mobile app to remotely control the device from anywhere and control the lights on/off at any time. SPECIFICATION Name:Smart Push Button Switch Specifications:4gang Encryption type://TKIP Rated voltage:AC120V Rated Current: 10A(Max) Static power loss: ≤0.5W Working environment: -20℃~75℃ Working humidity: less than 95% Wireless standard:IEEE802.11b/g Working frequency:2.412-2.484MHZ Wireless security support:/WPA-/PA2- Material: PC colour: Black Package Contents: 1 x Smart Switch Kit 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.