Unique Design: This 433MHz RF wireless remote control switch boasts stable and reliable performance with strong signal penetration through walls, floors, and doors (reception sensitivity > -105dBm). Maximum range reaches 50 meters unobstructed. Easy to Use: Extremely easy to configure and reset. Three operating modes (momentary/toggle/latching) are selectable, allowing for customized setup. The product is pre-configured in latching mode: ON button turns on, OFF button turns off. High Sensitivity: The receiver utilizes a 30A relay, capable of handling high-power electrical appliances for long-term stable control. Each receiver can store approximately 20 transmitters, and one transmitter can control multiple receivers (transmitter must be paired with the receiver). Quality Guarantee: High-quality relays offer a lifespan exceeding 100,000 cycles, ensuring stability and reliability. High-performance terminals withstand 30A current, maintaining effectiveness even with unstable power. The receiver is suitable for 85V~240V voltage, offering flexibility. Wide Application: Ideal for homes, farms, factories, offices, laboratories, supermarkets, etc. Remotely control any device connected to the relay receiver, including lights, pumps, wireless security alarms, fans, ventilation systems, monitors, printers, fountains, and more. Secure System: Employs EV1527 learning code, a popular technology for stable remote control systems. Strong Signal Reception: The receiver features an antenna for enhanced signal reception, extending the remote control distance up to 50 meters. Added Flexibility: Easily add more wireless switches as needed. Product Specifications: AC 85V~265V 30Amp Voltage: AC 85V~265V Max Current: 30A RF Frequency: 433MHz Coding Support: 1527 learning code Reception Sensitivity: >97dbm RF Operating Mode: ASK superheterodyne wireless reception Operating Temperature: -30~+80°C Reception Range: Over 50 meters in open space Standby Current: <5mA Latching Mode: Press ON button, relay turns ON; Press OFF button, relay turns OFF. Installation: Press the learning button (on the receiver) 3 times. Wait 3 seconds; Press the ON button on the remote. Wait 3 seconds. Press the OFF button on the remote. Success!