Lucky Box Beeper Buzzer 90dB 5V Built-in Battery for RC Drone FPV Racing

Lucky Box Beeper Buzzer 90dB 5V Built-in Battery for RC Drone FPV Racing
Specification:
Brand name:
Item name: Lucky Box Beeper
Input Voltage: 5V
dB: 90dB
Weight: 2.3g
Size: 15.5x13.5x10.5mm
Features:
- A Working Buzzer after Battery Ejection
Lucky Box Beeper is designed with a built-in battery that gives it the power to sound an alarm even after the quad battery was disconnected.
Lucky Box Beeper charges itself simply by being plugged in.
- Adapt to Any Flight Controllers
Lucky Box Beeper is programed to be compatible with any model flight controllers. Just connect it to FC and fly it.
Package Included:
1 x  Lucky Box Beeper