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URUAV UR8 5V Duo Buzzer Over 110dB BB Alarm Built-in Battery & LED for RC Drone FPV Racing
Brand Name: URUAV
Item Name: 5V 110dB Duo Buzzer
Working Time: about 3 Hours
Just need connect it to flight controller's buzzer port, then it can work well.
( Red LED points at in charging)
3. Using PWM Receiver Signal (1000US-2000US) to make it beep or disarm it.
Over 1700US, open Buzzer and make it beep. Lower to 1650US, disarm buzzer.
Compatible with Airplane etc.
1x 4P Cable