100 dB Loud BB Ring Alert: High sound pressure level allows you to easily hear the buzzer even at long distances or in noisy outdoor fields, greatly improving model retrieval efficiency. Integrated LED Light Indication: Built-in high-brightness LED provides clear visual indication during Alert, making it easy to spot the aircraft in grass, bushes, or low-light conditions. Programmable via Betaflight (BF): for Betaflight F7 and other mainstream flight controllers, supporting configurable Alert modes, trigger conditions, and timing through the flight control software. Wide Compatibility: Suitable for FPV racing drones, freestyle quadcopters, long-range FPV, and fixed-wing RC airplanes that support standard buzzer connections. Compact and Lightweight Design: Small form factor and low weight minimize impact on the aircraft layout and flight performance while still delivering strong sound output. Finder Buzzer is a high-volume programmable beeper designed for FPV quadcopters and RC airplanes. It provides powerful acoustic output combined with bright LED lighting to help you quickly locate your model in complex environments. Locating crashed or lost FPV quadcopters in complex terrain. Color: As Shown Material: PCB Package Contents: 1 * BB Buzzer Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.