high quality Non-Interference Multiple outlet sets allowed in your house without interference; no self-interference or interference with other existing RF remote systems; no worrying about affecting your neighbors lights; programmable and expandable 100 Feet Control Range Strong RF signal works through walls and doors without any interference; up to 100ft range in open areas; does not require the line of sight between the remote controller and receiver Heavy Duty Remote Outlet Up to 15A / 1875W Resistive, 1000W Tungsten, 1/2HP; remotely turn on/off string lights, holiday decorations, landscape lighting fixtures, and other appliances with a push of a button from the house inside; 2 grounded AC outlets available Hassle-free Quick to install with tool-free set-up; simply plug in and use; no programming required; CR2032 3V battery included; perfect for the elderly and those with limited mobility or back pain; make your life convenient, safer, and energy efficient; ETL and FCC certified Waterproof Construction For both indoor and outdoor use; durable and sturdy PC shell resists abrasion, moisture, cold, and exposure to sunlight; 7-inch SJTW 14/3C heavy gauge thick extension cord; 3 prong flat plug Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store