Many electronics use standby power even when it is not being used. This includes laptop/tablet/phone chargers, sound systems, etc. This 2-prong power adaptor makes it easy to turn on/off power when not in use without unplugging and eliminating wasted energy. Its rocker switch has status LED that light up when turn on. Fits any power outlet, surge protector or power strip with side-mounted outlets and multi-gang power wall outlets without covering opposing plugs or light switches. Perfect for peripherals without built-in power switches such as A/V extenders, smartphone/tablet chargers, home theatre equipment, etc. It is UL Listed, CA Prop 65 and RoHS Compliant. (AC 125V 15A 60Hz 1875W)