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. 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)