The Timer Switch Saves Power And Is Convenient. According To Your Work And Rest Time, Set The Switch To Turn The Lights On And Off At The Set Time. Scene mode, supports customized scenes, one-click switching, convenient and fast Voice Control, Supports Ai Smart Speakers Your Mobile Phone Is A Remote Control, You Can Control It As Long As There Is A Signal Soft Light Led Indicator Light, Guiding The Direction At Night, Easy To Turn On The Light Without Feeling In The Dark Working Voltage: 100v-240v~,50hz/60hz Operating Current: 5a Max (Purely Resistive Load) Wiring Mode: Zero Live Wire Or Single 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/N 2.4ghz Security Mechanism: Wpa-Psk/Wpa2-Psk Rf Frequency: 433.93mhz App Platform: Tuya Smart Smart Life type:3 Switch/2 Switch/1 Switch Colour:Black Material:PC Size:86mm x 86mm x 40mm Package Contents: 1 x Smart Switch 1 x English manual 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.