Multiple groups without serial frequencies, using 2.4G bidirectional frequency hopping technology, automatic code correction within 1 meter, stable signal, automatic frequency correction when the power supply, transmitter, and receiver are ready for use; Strong anti-interference ability, stable signal, approximately 20 meters wireless transmission; Turn on the switch of the transmitter and receiver, flash the indicator light of the receiver to indicate that it should match, and successfully fix it when the indicator light remains on and no longer flashes, then it can be used; Equipped with a built-in rechargeable battery, it saves time by charging with dual cords and can be charged for a long time.
