【Fantastic Design】 433 MHz RF wireless light switch. No wiring required between the lights and the switch. Stable and reliable performance with high reception sensitivity (>97 dBm). Radio frequency signal transmission. A strong signal can penetrate walls, floors, doors, panels, etc. It can be controlled from up to 50 meters away in an open space. 【Easy to Use】 The wireless switch can be mounted with double-sided tape or screws. You can turn the device on/off anywhere using the wireless switch. It is a standard 86-type switch. 【Easy to Install】 The mini receiver measures 47*42*23 mm. It is installed between the power supply and the device. It can be easily hidden in most electrical boxes or junction boxes, or it can also be mounted on a circuit board with screws. You can easily install it to control lights or outlets. No wiring required. 【Multi-player Control】 Each receiver can store about 10 wireless switches. This allows you to share switches with your family. Everyone can remotely control the device corresponding to their receiver. One transmitter can also control multiple receivers. For example, one switch installed on the wall next to the bedroom door and another placed on the bedside table. 【Quality Assurance】 High-quality relay with a lifespan of over 400,000 uses. This receiver uses a 10-ampere relay, which can handle high-power electrical appliances. The receiver is suitable for AC voltages of 85V~250V, so AC 110V/220V/230V is also compatible. 【High-Quality Switch】 The wireless switch can withstand over 500,000 clicks. A 12V 27A battery is required. It can work for about 5 years. The battery can be replaced after removal. 【More Flexibility】 Extremely easy to install and reset. You can easily add additional wireless switches yourself as needed. 【Note】 Our products can be connected to standard 10A 1500W incandescent bulbs, and LED lamps can be connected up to a maximum of 200W.