Product advantages: Small size, easy to install. This product can be installed in small concealed spaces, with flexible control for outdoor advertising, engineering special equipment, digital circuit electrical interfaces, LED control, etc Product frequency: 433MHz (other frequencies can be customized). Working voltage: DC12V Working mode: jog interlock self-locking delay.Clear code operation: Long press the learning button until the LED flashes and goes out, and clear the code successfully (change mode requires clear code first). Output method: Dry contact output (switch signal) learning method: Tap code: After connecting the power, press the learning button and release it. The LED will flash once to enter the learning mode. Press the A button on the remote control, and the LED will flash and turn off, indicating successful learning. Self locking code matching: After connecting the power, press the learning button twice and release it. The LED will flash twice to enter the learning mode. Press the A key on the remote control, and the LED will flash and turn off, indicating successful learning. Interlock code matching: After connecting the power, press the learning button 3 times, and the LED will flash 3 times to enter the learning state. Press the A key on the remote control, and the LED will flash 3 times. Then press the B key on the remote control, and the LED will flash and turn off after the learning is successful. Delay of five seconds: Press the code matching button on the control board four times in a row, and the LED indicator light will flash four times. After the LED indicator light is on, press the remote control button that requires code matching, and flash three times in a row to successfully match the code. Delay of ten seconds: Press the code matching button on the control board 5 times in a row, and the LED in