Features: 1.433MHz wireless reception: supports learning mode, compatible with multiple remote control signals 2. Three working modes: inching, self-locking, and interlocking are optional to meet the needs of different scenarios 3. High-sensitivity reception: remote control distance up to 15-25 meters, strong wall penetration performance, stable signal 4. Multi-channel independent control: supports 4-channel independent output, flexible configuration, to meet diverse needs 5. Easy learning pairing: indicator light prompts pairing status, quickly complete remote control binding Product parameters: Product name: 4-channel wireless learning module remote control Working voltage: DC 3-5V Working frequency: 433MHz (learning type) Remote control distance: 15-25 meters (can penetrate walls) Module size: 16*23mm Wiring method: (+) connected to the positive pole of the power supply (-) connected to the negative pole of the power supply; ABCD represents 1-4 outputs Output method: When the module is powered on, the default output of 4 channels is low level; when the remote control signal is received, the output becomes high level; (short-circuit the J1 position on the module, the module can be set to the default output high level) Function description: (learning method) 1. Press and hold the learning button on the module, and the learning indicator light flashes once and then releases it. At this time, press the remote control button A that needs to be learned. The module indicator light flashes 3 times and then does not flash. Release the remote control button. The first channel A is paired with the remote control button A. 2. Press and hold the learning button on the module, and the learning indicator light flashes 2 times and then releases it. At this time, press the remote control button B that needs to be learned. The module indicator light flashes 3 times and then does not flash. Release the remote control button. The second channel B is paired with the remote control button. 3. Press and hold the learning button on the module, and the learning indicator light flashes 3 times before releasing it. At this time, press the remote control button C that needs to be learned. The module indicator light flashes 3 times and then does not flash. Release the remote control button. The third channel C is paired with the remote control button C. 4. Press and hold the learning button on the module, and the learning indicator light flashes 4 times before releasing it. At this time, press the remote control button D that needs to be learned. The module indicator light flashes 3 times and then does not flash. Release the remote control button. The fourth channel D is paired with the remote control button D. Note: Please allow 2%-3% differences due to manual measurement. The above dimensions are for reference only. As different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.