433Mhz 2CH RF Relay Receiver & Transmitter AC220V - Universal Garage Door/Gate Motor Control, Smart WiFi Control

Basic operation: press the A button to energize the relay; press A again to turn it off. Latched mode: press A to turn the relay on, press C to turn it off, and press B to stop the relay. To program Toggle mode: press the learning button 2 times, then press A once and B once to complete the setup. To program Locked mode: press the learning button 3 times, then press A once, C once and B once to finish configuration.