Six keys kinetic energy acquisition patented technology, it can control multi-channel devices, and perfectly integrate with lighting, electric clothes dryers, bath heater, curtainsand other home appliances, realise various combinations of scenes, highlighting fashion and smart home life. Range Up to 30 meters indoors and up to 100 meters outdoors Specifications: Colour: White Keys: 6 Gang Dimensions: 86x86x14.5mm Batteries needed: No IP Rating: IP55