Model Number: RX20 12V FCC/CE. The first use (or replace the battery) need to matching frequency Step 1. Press and hold the frequency key(car select) for about 2 seconds and...
Model Number: RX20 12V FCC/CE. The first use (or replace the battery) need to matching frequency Step 1. Press and hold the frequency key(car select) for about 2 seconds and...
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