Long-distance remote control, you can control your home applianceswhen you are on the outside.Match the scene to controlyou can adjust different scenarios you like.Convenient to change the batteryyou can simply change the battery, avoid the complex process. Model KSH-SWTP Wireless Touch PanelOperating Voltage: Built-in 3v button batteryOperating Power: 5uAOperating frequency: 2.4GMhzCommunication Protocol: Zig BeeControl Mode: Zig Bee remotemanual touch panelZig Bee Transmission Distance: Outdoor 200 meters above Indoor 100 meters aboveOperating Temperature: 070;Humidity: 10%95% Mobile APP controlControl your appliances ONOFF through your smart phone from anywhere with a network connection.