Control Over Your Lamps Bulbs and Fixtures The KEDSUM inaccessible Control E26/E27 public knowledge Bulb Socket Base Switch works from as far as 65 feet and is avid for switching on/off Lamps Bulbs and Fixtures. Easy and ready to hand for home or office use. Material : ABS Controlled Line : 1 Way Button : ON/OFF/LED point of reference E26/E27 screw-in public knowledge socket inaccessible control distance : up to 20 meter/65foot Size of switch/transmitter : 100 * 47 * 10 mm Size of public knowledge socket base / receiver : 60 * 85 mm Battery of switch : 12V 27A Alkaline Battery -LRB- not include . -RRB- . Load Power Input : AC110V 50/60HZ Output Voltage : AC110V 50/60HZ Controls light lighting up to 150W LED lighting up to 25W CFL public knowledge bulbs up to 45 W Package Included 1 * inaccessible Control E26/E27 public knowledge Bulb Socket Base 1 * inaccessible Control Switch It is not include the batteries .