Touch Light Switch - Industrial grade design capacitance touch screen, touch sensitive and fast. Ultra-low-power design, energy-saving and environmentally friendly. Easy operation by touching the sensor panel. Easy To Install - There is no need to pry holes in the wall, as there are no cabling or indentations required for installation. Simply use the supplied adhesive tape for installation. Maximum 30 Meters Transmission - The effective area between the transmitter and the receiver is about 0 ~ 30 meters indoor. You can switch loads of up to 600 W with the receiver. For all light, halogen, incandescent, fluorescent, LED lighting, fans and other electrical switching device etc. High Security - The outer shell is made of fireproof plastic and effectively prevents the ignition of the switch. Battery Powered - The switch uses a replaceable 23A / 12V battery with a life of up to one year, depending on the frequency of use of the switch