433Mhz Remote Controller 4 Channels Wireless 433 Control ABCD 4 Buttons Universal cloning key fob remote control

433Mhz Remote Controller 4 Channels Wireless 433 Control ABCD 4 Buttons Universal cloning key fob remote control

• [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

• [Humanized design] Button slide cover to protect buttons from accidental unplanned operation.

• [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 clearing old codes] Long press the upper two (A & 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.).