1. Extremely Design With High Quality - Sensitive button design for excellent on/off ;Light touch and gentle switch featured with ultra-quiet button sound ensures better lighting experience; Exquisite craft with lovely indicator when power on for security in the dark;New well-made push button series come with better quality for your smart . 2. Multiple Controlling Modes Available - Besides the smooth operation on the switch button as manual control,this new ZigBee smart switch is compatible with Smart Life App for wireless remote control no matter where you are,providing your smart life with real-sense intelligence and convenience;More importantly,it is multi-control association supported in App for associating to other smart switches in App for another controlling mode. 3. Voice Control - Working with Tuya Smart Life App enables simple voice control via Alexa and Assistants,just give a voice to Alexa to turn on/off lights . 4. Timer And Countdown Supported - Timer your own schedule for your lights in App to automate the lighting system of your house as well as saving energy.Also countdown is featured for setting your own time to switch on/off the lights;Even device share to your family members to smartly control together for added convenience. Power Supply Mode:Neutral Wire Rated Voltage:AC100V-250V(50/60Hz) Wireless Standard:IEEE802.15.4b/g Product Size:118x75x35mm Working Environment:-20-75 Working Humidity:Less than 95% APP Support:Tuya or Smart Life Due to different product batches, the appearance , which does not affect the use. Specification:4Gang Colour:White Material:PC+Plastic Package Contents: 1 * 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.