Etekcity 3 Pack & 5 Pack (8 Outlets) Wireless Remote Control Outlet Light Switch (Extra Batteries included) Learning function allows you to match any remote and outlet to each other regardless of the frequencies Simple and easy to use, no installation required - just plug in and use.Remotely switch on/off any appliance at the push of a button; 30m/100ftrange (works through doors, floors, and walls) Low standby power consumption and built-in child protection feature; Power input/output: 120V/60Hz, max. 1200W 10A; Low power consumption: 0.6w Outlets remain off after a power outage to save energy; Easy home automation, great for lamps, lights, power strips and appliances Newest version - smaller size only covers one outlet(R&TTE/ETL/FCC approved)