1. APP Remote Control: Control your home anytime, anywhere with a smartphone app or tablet. 2. Light and Fan Control: Smart WIFI switch to control fans and lights. 3. Timer switch, shared device and manual reset: Timer can be set for each gang on the APP. Timer switch can automatically turn on/off lights and appliances Wireless connection: wifi 2.4Ghz APP: Tuya/Smart life Support voice control: for , Home Timer setting: APP setting timer control, remote setting open and close Background light control: APP set to open or close the background light. Support: relay memory Installation: Neutral Wire Required Fan maximum power: 400W Maximum power of the lamp: 2000W Working voltage: 100V-240V Size: 120x72x32mm Attention: Install the switch after turning off the power 1. This smart switch needs neutral wire installed in the switch box to work properly. 2. Please check if your switch box is the right size before purchase. 3. The wind speed adjustment gear needs your fan to support the gear adjustment. Color:Black Material:PC+Tempered Glass Package Contents: 1 * Tuya Wifi 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.