Fast and easy installation, not obstructed by walls, capable of connecting any loads. Remote controller and switch can be used simultaneously for ease and flexibility. Every set of remote controlling switch has its special code. More sets can be used in one room without interference. Perfect for remote controlling of droplight, crystal lamp, modern low-pressure lamp, absorb dome light, day flower lamp, fluorescent lamp, energy-saving lamps, exhaust fan, LED light etc. Includes: 1x remote control; 1x main device; 1x base Remote controlling distance: within 20m Input voltage: 200-240V Every port load: fluorescent lamp: 1000W; energy-saving lamp: 250W Working temperature: -30℃ +60℃ Material: ABS Size: remote control: 11.5cm * 4.5cm * 1.5cm; main device: 6.0cm * 4.5cm * 2.5cm Power: 12V 23A battery(not included) Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.