Plug and Play: Easy to install without any tools, CR2032 3V battery included, simply plug in and use; remotely turn on/off lights, holiday decorations, String Light, water fountain, pool pump and other appliances with a push of a button; (15A/1875W) ; ETL and FCC certified, Support Max.1/2HP. 100 Feet Control Range & Keychain Remote Controller: Strong RF signal works through walls and doors without any interference, up to 100 feet range in open areas, does not require line of sight between the remote controller and receiver; The remote controller comes with a key ring, easy to store Non-Interference: Unique advanced technology eliminates self-interference or interference with other existing RF remote control system; no need to worry about duplicate frequency problem or affecting your neighbors lights; effortlessly control the household appliances from your home inside or outside without interference Programmable & Expandable: This remote outlet switch has been pre-programmed