Stable and Reliable Performance - The wireless switch is compatible with a variety of devices such as lamps, fans, curtains, water heaters, etc. This 433MHz radio remote control provides powerful RF signal transmission, capable of passing through walls, floors, doors, and panels. High receiving sensitivity (> - 108dBm). No wiring required between lights and wireless switch. Easy to Install and Use - No need for complex wiring! Wireless switch can be used for retrofitting or replacing existing switches, and it fits easily into your home. Simply fix the wireless switch with double-sided tape or screws. The battery can be replaced after disassembly. Flexible Multi-User Control Function - Each receiver can store about 10 wireless switches, allowing you to share control with your family. And one transmitter can also control multiple receivers. You can remotely control all the devices connected to the receiver from different positions in your home. You can easily install it to control the