Smart Control: 3-way switch, control a same light in different position, mechanical on/off , APP control by smart phone(IOS/Android) and voice control by Alexa , Google Assistant, compatible with IFTTT.
Lower Cost: Better solution when replace one of the traditional 3-way switch to make it smart and compatible with other smart home component and control device.
Standard Plate: Fitting standard decorator wall plates(Screwing or Snap on) , can install in 1/2/3/4 gang junction box seamlessly using standard 1/2/3/4 gang standard plate.
Smart Home Gadget: Automatically on/off on pre-set time or sunrise/sunset, control access sharing, multiple units grouping. No hub and subscription required.
Handy Hint: Non-dimming switch, not compatible with 5GHz wifi, 5 wires(neutral, ground, live, load-1,load-2) connection required. Any questions you can find us in "Contact Seller".