Ener-J SHA5338 3G Smart Light Switch WiFi Wireless Touch Screen

Ener-J's wireless kinetic energy switch, has a fast installation time. A unique switch that requires no wire connection to the power source and it controls lights through radio frequency. An amazing design that can work reliably for years without needing any batteries. They can cover a distance of up to 30 meters in an open area (10 meters in case of wall in between).

Specifications:
Operating Voltage: AC180-240V/50Hz 2A
Rated load: Each gang less than 300W
Self-consuming power: Less than 1mA
Operating environment: -20°C~50°C, less than 95%RH
Wireless frequency: Wi-Fi 2.4GHz (5G not supported)
Wireless standard: IEEE802.11b/g/n 2.4GHz
Lifelong: More than 100,000 times
Dimension: 86x86x35mm
Weight: 140g
3 Gang Wi-Fi Wall Wireless, Black Tempered Glass Touch-Screen Switch Compatible with Alexa&Google Home.