The AC/DC 1/2 Gang Dry Contact(zero voltage)Wi-Fi Switch Module is useful for multiple purposes:  Activate a gas boiler, turn on Light,  activate heating system, activate cooling systems etc.. The connected devices can be controlled via smartphone APP, physical switch, voice control through amazon alexa/echo/dot, Google home, Yandex Alice etc.

AC/DC 1/2 Gang Dry Contact WIFI Smart Switch Module

Voltage: AC100-240V/DC12-48V/DC5V

Max. load: 5A

Dims(WxDxH): 39.2x39.2x18 mm

WiFi 802.11 b/g/n, 2.4GHz - 2.4835GHz

Zigbee 3.0, 2.4-2.484GHz IEEE802.15.4

Certificates: CE ROHS

Warranty: 2 years