KEY SPECIFICATIONS & FEATURE: 1.No installation needed,be ready for operating directly. 2.Radio control to commutate ON/OFF switch up to2300W, 230VAC, 50Hz 3.Approx. Max 50m 4.Batery (CR2032 3V)for the remote conror induded. 5.Transmision frequencey 43.92MHz 6.Easy learning 7.Standby< 0.5W