Tuya ZigBee Smart Wifi Touch Switch Neutral Wire Required Smart Home 1/2/3/4 Gang Light Switch 220V Support Alexa yandex alice Notes: Neutral wire is required in your switch boxes to operate correctly;need to use with tuya gateway! Description: Product Name: Smart touch zigebee switch Product Size: 86*86 *35mm(EU/UK) Product color: White /Black/Gold Rated voltage:100-240V AC50/60Hz Power Rating: 200W/Gang Button life: 100000 times Wireless Frequency:2.4GHz Wireless Standards:IEEE802.11b/g/n Support System:Alexa/Google Home/TmallGenie/Yandex alice Plastic material: ABS PC Specifications: Neutral line requiredNeutral line is required. Zigbee hub is requiredGateway hub is required. Multiple operation methodsDiffer in features from traditional common switch,this smart switch is able to be controlled by various ways alone with the best value like App control,touch control,voice control ,achieve multi-control by associating to other smart switches. Smart Speaker Voice ControlCompatible with Alexa Google home and Yandex alice allows free voice control ;remotely control devices on your smart phone via Smart Life/Tuya App wherever you are. Timing functionTake full control of connected appliances with timers, schedules and countdown (1/5/30 mins, 1 hour, etc.) with the app; share control with family and friends for added convenience. Scene linkageCreating your own scene to trigger ON/OFF home appliances by departure mode, home mode, temperature, humidity, or other environmental conditions.It needs to be matched with other tuya products to achieve)