KEY SPECIFICATIONS & FEATURE: 1.No installation needed.be ready for operating directly. 2.Radio control to commutate ON/OFF switch up to 3000W,230VAC,50Hz 3.Range up to approx. Max50m 4.Battery (CR2032 3V) for the remote control included. 5.Transmission frequency 433.92MHz 6.Easy learning 7.Standby < 0.5W