Wsdcam Wireless Light Remote Switch Kit that do not need wires, and tear walls to allows you to instantly create a remote to control the devices without walking around. Works with any lights like halogen/incandescent/CFL/fluorescent/LED light. <b>Remote Parameters: </b> <br> Size: 2.44*1.18*0.47 in <br>Waterproof: IP44 <br>Remote distance: up to 66ft indoor/ 525ft outdoor <br>Quantity of the button: 3 buttons <br>Working frequency: 433.932MHz+/-75KHz <br>Working voltage: 2~3v <br>Battery: CR2032 battery <br>Life of battery: up to 300,000 times<br><br><b>Receiver Parameters: </b><br>Working voltage: AC 80~150V<br> Composite power 1000W<br>Working frequency:433.932 MHz +/-75KHz <br><br>How to pair the first remote and receiver?<br>1.Long press the button on receiver; <br>2.Until RED light blinking, loosen your grip; <br>3.Press remote switch; <br>4.Done. Press switch to control the light on or off. <br><br>How to pair more remotes with receiver? <br>1.Long press the paired remote switch; <br>2.Until blue light blinking, loosen your grip; <br>3.Press the new remote switch; <br>4.Done. Press switch to control the light on or off.