Product parameters: Name: 433Mhz Copy Type Remote Control Colour: Black Material: ABS Working frequency: 433Mhz Number of keys: 4 Clear code button: I and II battery type : CR Steps for usage: 1. Clear code: press the A button and B button with two fingers at the same time; the LED light flashes 3 times quickly in about 2 seconds; release one finger (the other hand cannot be released), and then quickly click with the released finger Release the button 3 times until the LED light flashes quickly; two fingers can be released; then press any key of the remote control; when the LED light is off, it means that the code is cleared successfully (all four keys are empty); if you press any of the remote control The light is still on after the key, indicating that the original code has not been cleared successfully. It needs to be cleared again, and the clone can be successfully cloned only if the code is successfully cleared. You can clear and clone code repeatedly. 2. Copy: Hold the original remote control in your left hand, and the remote control we cloned in your right hand. The two remote controls are as close as possible; press the first button of the two remote controls at the same time; after about 2 seconds, the LED light will flash twice quickly; After one second, the indicator light keeps flashing, release your finger; press the button after successful learning, the light is always on, indicating that the first key code on the original remote control has been copied to another remote control; the same method can turn on the second one in turn Button, the third button... If the copy is successful, the remote control function is the same as the original matched remote control. 3. Recovery: When you accidentally clear the copy password of the remote control, you can press the two buttons at the bottom of the remote control to copy at the same time, the LED light will flash quickly, press any key and let go, and it will stay on, which means the remote control code is already on. recover. Before using our duplicate remote control, please be sure to delete the existing code from the remote control. 4. How to deal with the situation that some buttons can be controlled but other buttons cannot be controlled? You can use clear and restore operations, the specific operations are as follows: (1) Clear the code first; (2) After clearing the code, copy the unsuccessful keys again, and the rest of the keys do not need to be copied; (3) Then clear the code again; (4) Restore the code; at this time, the key that was not successfully copied is now overwritten by the new code, and the key that was copied successfully is now retained. If the keys are not copied after the second copy of the keys, repeat the above steps over and over again until all keys are successfully copied.