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 lights or the socket. High Quality - It is a standard 86 type switch. The design of this wireless switch is durable. The high-quality relay can be used more than 400,000 times, while the switch itself can be triggered more than 500,000 times. The receiver is equipped with a 10 amp relay, capable of handling high-power devices. It is compatible with AC 90V to 250V, so AC 110V/220V/230V is no problem. Wide Application - Working voltage: AC90-250V 50/60Hz. The wireless switch can be used in homes, farms, factories, offices, laboratories, supermarkets, etc. You can remotely control each device connected to the receiver using the wireless switch, such as light fixtures, lighting, ventilation equipment, DIY wireless sockets, signal transmission, etc. It is also convenient for controlling garden sheds, garages, outdoor lighting, etc.