110DB Buzzer Tracker with LED Light Built-in Button Battery for RC Drone FPV Racing

110DB Buzzer Tracker with LED Built-in Button Battery for RC Drone FPV Racing Introduction: 1. If the quad's battery was disconnected while the drone losing control, this tracker buzzer will alarm with LED Flashing after 1 min. 2. If the quad's battery also connected while the drone losing control, the buzzer will alarm by AUX and LED Flashing. Specification: Item Name: Tracker Buzzer for RC Drone - Built-in Button Battery Size: 43x25x16mm Weight: 3.7g Application: for Racing Drone Fxed Wing Plane Package Included: 1x Buzzer 2x Cable