One Way Remote Control Switch: Features: Perfect for remote controlling of droplight, crystal lamp, modern low-pressure lamp, dome light, day flower lamp, fluorescent lamp, energy-saving , , LED light etc. 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. remote controlling switch has code. More sets can be used in one room without interference. Specifications: One Way Remote Control Switch Remote controlling distance: within 30m Input voltage: 180-240V port load: fluorescent lamp: 600W; energy-saving lamp: 300W Working temperature: -20 +60Celsius Size: remote control:11m x 4.2cm x 1.5cm; main device: 6.0cm x 4.5cm x 2.5cm color:Photo color Material:ABS Package Contents: 1 x Remote Control Switch 1 x Remote Control(12V 23A battery not included) Only the above package content, other products are not included. Note: Light 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 +/- 1-3cm.