Ready to use, no wiring or disassembly. Ordinary switches become remote switches in seconds, no need to connect any wires switch without disassembly installation completed in 10 seconds. Randomly stick remote control switches, six core advantages: no need to change wires, ten seconds to install; touch switch, sensitive response; remote switch, signal through the wall; no need to pair, more correspondence; large-capacity battery, long-lasting battery life; stylish appearance, atmospheric and high-end. Ten seconds easy installation only requires three simple steps, no need to disassemble and change wires, just paste and use (the height of the wall switch cannot be 90mm) Suitable for smooth and clean wall/painted /wall cloth/ceramic tile/marble. Applicable to a variety of types, compatible with most wall switches, the light-off wizard is compatible with commonly used concealed wall switches, suitable for one-open, two-open and three-open wall switches for the whole house The following switches are not compatible: pull-wire switch, bean-shaped button, touch switch, open-mounted switch. If you are not sure whether the switch is compatible, please consult customer service. The light-off wizard easily solves the problem of switch position without disassembly and change wires, just paste and use it. Two control switch modes, remote control/button dual control, easy to use. It also supports panel button control and random remote control, suitable for the whole family, old and young, and easy to use. Large-capacity battery, 2400mAh battery, 180 days of use after a full charge. The switch wizard adopts low-power technology, combined with a 2400mAh large-capacity battery, and can be used for up to 180 days after each full charge. Product name: Switch Wizard Product model: -K21 Remote control distance: about 5 meters Battery capacity: 2400mAh Product size: 131 x 88 x 39mm Product power: 3W Charging method: USB-C Operation method: remote control + touch switch Fixing method: glue + slide Color: Black & White Material: PC Package Contents: 1 * Touch Switch Wizard 1 * Random Stickers Only the above package content, other products are not included. Note: Light reflection 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.