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

Brand: URUAV

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ID: 1445364
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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 110DB 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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