General Description The 433MHz wireless remote control switch is designed to provide stable and reliable performance, with a receiving sensitivity greater than -105dBm. Its powerful signal can penetrate walls, floors, and doors, with a maximum unobstructed range of 50 meters, allowing you to control your electrical devices from anywhere. Technical Specifications Voltage: AC 85V~265V Maximum Current: 30A RF Frequency: 433 MHz Encoding: Learning Code 1527 Receiving Sensitivity: > 97 dBm Operating Temperature: -30 to +80 C Operating Mode: Latched, Momentary, or Toggle Quiescent Current: < 5 mA Receiving Range: More than 50 meters in open space Compatibility and Accessories Compatible with various electrical devices such as lights, pumps, security alarms, fans, and ventilation devices. Can store up to 20 transmitters, and one transmitter can control multiple receivers. Installation Setup is simple: press the receiver's learning button three times, wait three seconds, then press the remote's ON button. Then repeat with the OFF button to complete the setup. Operation Use the remote control to turn on or off the devices connected to the receiver. The operating mode is adjustable to meet your specific needs. Other Information The system uses the EV1527 learning code, providing stable and secure remote control technology. The receiver is equipped with an antenna that you can adjust to optimize signal reception.