Features: and high quality This product uses the computer as the core circuit design, with internal digital encryption to that the products of the technical, performance, reliability between users and to avoid jamming caused by the outside world, full remote control beyond the obstructions,product can according to the user's needs to increase the use of multiple wireless remote control mitter,it let you reap the product of modern radio technology and bring you high quality of life fun and charm. With ABCD buttons Suitable for drop light, crystal lamp, modern low-pressure lamp, absorb dome light, day flower lamp, fluorescent lamp, energy-saving lamps, exhaust fan, etc. It can be used in household, stairs, corridor, washroom, toilet, workshop, warehouse, garage, factory lighting, etc. Fast and easy to install, not obstructed by walls, capable of connecting any loads. Remote controller and switch can be used simultaneously for ease and Remote distance:More than 25 meters indoor,100m open space Fast and easy installation, not obstructed by walls, capable of connecting any loads. Remote controller and switch can be used Operation instruction: Press any one of the buttons A, B, C D on remote controller of switch,the corresponding light or socket is powered,another press cut it off.Each channel can be used individually Specifications: Input voltage: AC200-240V (50/60 Hz) mitter battery type:1x 12V 23A (Battery is not included) Total load: 1.Ohmic load: maximum single unit output power below to 1000W (like incandescent lamp) 2.inductive load:maximum single unit output power below to 250W( the small household appliances with ballast like energy-saving lamp, bracket lamp, absorb dome light etc.) Output:1x 1000W(total), 1000W per channel Dimension: 9.4x3.8x1.5cm(Remote Controller) ：9.3x4.8x2.2cm() Color: silver + black + gray