Features: Perfect for remote controlling of droplight, crystal lamp, modern low-pressure lamp, dome light, day flower lamp, fluorescent lamp, energy-saving lamps, exhaust fan, and LED light etc. Remote control indoor distance is 20m, anti-disturbance, not obstructed by walls . Remote controller and switch can be used simultaneously for ease and flexibility. Every set of remote control switch has its special code. More sets can be used in one room without interference. Fast and easy installation. Specification: Type: wireless remote control switch Working voltage: 220V Type: MR701 1 Way 1 x 1000W, MR702 2 Way 2 x 1000W, MR703 3 Way 3 x 1000W,MR704 4 Way 4 x 1000W(Optional) Working frequency: 50/60hz Remote control is 20 meters away Working temperature - 20-40 Applicable scope: LED lamps Battery: 1 x 23A 12V battery(Not Included) Weight: Approx.78g-126g/2.8oz-4.4oz Package list: 1 Set x Wireless Remote Control Switch(Not include battery) 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.