AURORA AR TRACKER THIN Auto-Charge 100dB Beeper Buzzer Built-in Battery for RC Drone FPV Racing

Specification:
Brand name: Aurora 
Item name: AR TRACKER 100dB Beeper
dB: 100dB
Size: 27.5*18*9mm
Weight: 5g

Feature:
The beeper is small and easy to install.
The 100mah battery can be alarmed for 5 hours under full power.
The beeper can be intelligently self-charging when the main power supply is normally connected, (red LED is always on); full charge stop (red LED off), safe and reliable.

Package Included:
1 x AR TRACKER 100dB Beeper