General Description Wireless RF 433Mhz light switch. designed for easy installation without wiring. It offers stable performance with high reception sensitivity (> -97dBm) and allows remote control up to 50 meters in open space. The strong signal can pass through walls. floors. and doors. making it very convenient to use. Technical Specifications Receiver size: 47 x 42 x 23 mm Power supply voltage: AC 85V ~ 250V (compatible with AC 110V/220V/230V) Relay capacity: 10 Amperes Relay lifespan: over 400.000 uses Switch lifespan: over 500.000 clicks Battery required: 12V 27A (replaceable. lifespan approximately 5 years) Installation The receiver is easily installed between the power supply and the device. It can be hidden in most electrical boxes or attached with screws to the board. No wiring is needed. which significantly simplifies installation. Usage The wireless switch can be attached with double-sided tape or screws. It allows the device to be turned on or off from anywhere. Each receiver can store approximately 10 wireless switches. allowing for shared control within the family. One transmitter can also control multiple receivers.