Ener-J WS1051B Eco 1G Wireless Kinetic Switch

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:
The non dimmer/dimmer switch requires no batteries and no power connection.
No slots knocking, no junction box required. Wireless use without drilling and screws.
Power Saving Modes: Self-Generating Micro-Power Energy Harvesting
Transmitting power: + 10dBm
Operating frequency: 433MHZ
Control distance: 100M Outdoor 30M Indoor
Dimensions: L86xW86xH10mm
Manufacturer 2 years warranty
Wireless 2 Gang Switch, Wall, On/Off, Waterproof for Lamp Electric Appliance. (Receiver Needs to be purchased separately).