Mini Size: 3.0*1.9*0.6 Inch, made of quality PC material with modern design Easy Installation: Quick and straightforward to install. The receiver is small enough to fit into the junction box Long Wireless Range: 433mhz strong RF signal can go through walls and doors without any interference. Up to 100 Feet indoors, 1900ft range in open areas Safety Wireless Switch: Switch itself is not connect with any electricity, no worry about kids touch Ideal For: Works with all kinds of indoor lights, such as ceiling lamp, wall lamp, LED and Bulb Receiver Parameters Product Size: 1.5*0.9*0.9 Inch(39*23*22MM) Working voltage: AC 150-275V Relay: 10A Switch times: 400 thousand times Resistive load: 1800W Mixed load: 1000W LED light on the receiver: Red light Item weight: 28g Switch Parameters Product Size: 3.0*1.9*0.6 Inch(75*45*15 MM) Switch times: 600 thousand times Working voltage: 3V(CR2032) Package weight: 82~86g Life of the battery: 300 thousand times push Waterproof: IP54 Remote distance: 700m outdoor Remote distance: 50m indoor LED Light on the switch: Blue light Packing List: 1 x Mini Wireless Switch 1 x Receiver 2 x Wire connector 1 x 3M tape 1 x Manual