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

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