B Blesiya 4Pcs Universal Electric Cloning Gate Garage Door Opener Remote Control Fob 433MHz Replacement Key Fob
Approach to clearing old codes: Long press the upper two A amp; B buttons to clear old codes The LED indicator will flash three times, followed by a continuous fast blinking, which is the sign of cleared state. .
Approach to duplicating: Place them side by side as close as possible , then press both one key of your old remote and the to be matched key on this remote simultaneously. The LED indicator will flash about three times, followed by a continuous fast blinking. Learning process done. Other keys accordingly.
Approach to recovering: Press the lower two buttons C amp; D for about 3 seconds till the light is on and flicker. Or you can delete the codes and repeat the learning process.
Approach to test if the old codes are totally cleared: Press any key on the remote duplicator, if the LED indicator blinks instead of being on, codes cleared. Otherwise, undone.
4 Pieces Garage Remote Control