10pcs Zigbee 3.0 Mini Smart Switch Yandex Alice Tuya Smart Home DIY Light Switch 2 Way Control Breaker Works With Gateway Alexa Specification: (1)Mini BodyDesigned 42*42*20mm, which is working with most of amounting boxes, switches and wall sockets.It is not only small, but also powerful. Maximum power reaches 1800-3450W, it can be used for most of home appliances and lightings.(2)Support Two-way ControlThis smart DIY switch could be used for your old 2 way control switch. Especially, you still available to control the old switch manually after isntalled it.(3)Tuya ZigBee Hub RequiredWifi Version can work with 2.4gwifi directly.Zigbee Version need zigbee hub to work, Then , you can link other Tuya ZigBee products with the hub to realize a complete smart home system for your house.(4)Support More Function Like App remote Control/Voice Control/Timing Function/RemRelay Status Setting/Group Control/Linkage Scene.....