1、Remote control indoor distance is about 8-15m, about 20 meters in the open area (depending on the specific use environment). 2、The light remote control of relay 7A just can be used for lighting products. 3、Fast and easy installation to replace the old or broken one. 4、Every set of remote control switches has independent coding, and multiple sets in the same room do not interfere with each other. 5、Perfect for remote controlling or droplight, crystal light, modern low-pressure light, absorb dome light, day flower light, fluorescent light, energy-saving lights, exhaust fan, LED light etc. Features: Remote control indoor distance is about 8-15m, about 20 meters in the open area (depending on the specific use environment). The light remote control of relay 7A just can be used for lighting products. Fast and easy installation to replace the old or broken one. Every set of remote control switches has independent coding, and multiple sets in the same room do not interfere with each other. Perfect for remote controlling or droplight, crystal light, modern low-pressure light, absorb dome light, day flower light, fluorescent light, energy-saving lights, exhaust fan, LED light etc. Specification: Condition: 100% Brand New Material: ABS plastic Model: YAM-802 Operating voltage: AC200V-245V (50Hz/60Hz) Remote control distance: about 8 to 15 meters in the room, about 20 meters in the open area (depending on the specific use environment) Remote control function: A key ON/OFF blue group, B key ON/OFF white group Load power (per circuit): incandescent light≤600, energy-saving light total wattage≤150W, energy-saving light total number≤6, H tube≤280W, H tube≤5, LED total wattage ≤ 40W, LED total number < 5 Package List: 1 * Remote Control 1 * Receiver