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

straightness good carbon fiber tube

Frequency Control: PLL

of Cells(Lipo):1S only

Upgraded V2 version

Shaft Diameter: 5mm

URUAV UR8 5V Duo Buzzer 31x13mm Over 110dB BB Alarm 3 Working Modes w/ Battery & LED for RC Drone FPV Racing THIN straightness good carbon fiber tubeURUAV UR8 5V Duo Buzzer Over 110dB BB Alarm Built in Battery & LED for RC Drone FPV Racing Specification: 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 Features: Having 3 working modes. 1. Compaitble with BF CF flight controller like normal buzzer ( such as F3 F4 F7 Flight Controller). Just need