5pcs 433MHz Remote Control Duplicator 4 Buttons Copy Clone Fixed Code Remote Control for Gate Garage Door Opener Specification: Product size: 55*30*15mm/2.17*1.18*0.59" Working frequency: 433MHz Remote control distance: 100m (in open environment) Working method: copy type Working voltage: DC 12V Working current: 14mA Working environment: -15℃~+75℃ Application: for electric door remote control, retractable door remote control, garage door remote control, motor control remote control, curtain control remote control, car and motorcycle remote control, etc. Operation method: 1. Code pairing (learning) Place the original remote control and the copy remote control as close as possible, first press a button of the original remote control, and immediately after the indicator light turns on, press and hold a button of the self-copy remote control for about three seconds, the LED will flash 3 times and then quickly Flashing, it means that the address code of the original remote control button has been learned successfully. The other keys are operated in the same way for learning. 2. Clear code Press the unlock button and the lock button at the same time for 2 seconds, the LED light starts to flash 3 times. At this time, keep the lock button pressed, and release the unlock button. Press the unlock button three or four times within 5 seconds, and the indicator light flashes quickly. The code has been cleared. Test whether the existing code of the remote control has been successfully cleared: When you finish the clearing action, you can press any button of the copy remote control. If the LED does not flash immediately at this time, it will flash after 2 seconds, that means The original code of the copied remote control has been completely cleared. If the LED still flashes quickly and immediately, the code still exists and needs to be cleared again. 3. Restore the cleared code The copy remote control has a recovery function. If you accidentally clear the address code of the normal copy remote control during use, you can press the start and mute buttons (the next two buttons) on the remote control at the same time. After about three seconds, the LED will flash 3 times. It starts to flash quickly, which means that the cleared address code is successfully restored. Precautions: 1. Before using our remote control duplicator to copy, first clear the existing code of your exisiting remote control. 2. The self-learing remote control duplicator cannot copy rolling codes, such as HCS301. Note: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. Included: 5 X Remote Control Duplicators Place the original remote control and the copy remote control as close as possible, first press a button of the original remote control, and immediately after the indicator light turns on, press and hold a button of the self-copy remote control. Test whether the existing code of the remote control has been successfully cleared: When you finish the clearing action, you can press any button of the copy remote control. If the LED does not flash immediately at this time, it will flash after 2. The copy remote control has a recovery function. If you accidentally clear the address code of the normal copy remote control during use, you can press the start and mute buttons (the next two buttons) on the remote control at the same time. Press the unlock button and the lock button at the same time for 2 seconds, the LED light starts to flash 3 times. At this time, keep the lock button pressed, and release the unlock button. Press the unlock button three or four times within 5 second. Application: For electric door remote control, retractable door remote control, garage door remote control, motor control remote control, curtain control remote control, car and motorcycle remote control, etc.