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 or 1875W Resistive, 1000W Tungsten, 1 or 2HP remotely turn on or 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 or 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