Remote control the electrical appliance for on/off easily. Power socket work with all existing home appliance and you can use your existing remote control for on and off appliance easily. Build in IR Infra-red learning system, you can use your existing remote controller for controlling on and off. Works with TV, FM radio, lamp, ceiling fan and other electrical appliances. Include 1 universal socket and 2 US styles socket. Maximum power consumption 220V 10A. The power plug can change from US styles to australia styles. No battery required. Range: It depends on your infra-red remote controller (normal infra-red remote controller around 5 meter).