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URUAV UR8 5V Duo Buzzer 31x13mm Over 110dB BB Alarm 3 Working Modes w/ Battery & LED for RC Drone FPV Racing


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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
                  Model: UR8
                  Item Name: 5V 110dB Duo Buzzer 

                  Built-in Battery & LED Light
                  Working Time: about 3 Hours
                  Volume: 110dB+
                  Battery: 100mAh Lipo
                  Working Voltage: 5V
                  Size: 31x13x14mm
                  Weight: 6g


                  Having 3 working modes.
                  1.  Compaitble with BF/CF flight controller like normal buzzer ( such as F3/ F4/ F7 Flight Controller). 

                       Just need connect it to flight controller's buzzer port, then it can work well. 
                       While you build fc well on quad and power to quad, the fc (+5V) would charge to this buzzer automatically.

                       ( Red LED points at in charging)

                  2.  Can power itself to beep even the quad's battery has been ejected.
                       About 30 sencond later, it will beep in 100DB and LED would be light in white.

                  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.


                  Disarm the Buzzer
                  Disconnect main battery, hold disarm button on buzzer for 2 seconds then release.

                  Package Included:

                  1x Buzzer

                  1x 4P Cable

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