🎥 FPV & Drones
🎥 Lost Model Beeper
An audible alarm you can trigger from the transmitter to help you find a crashed model in grass or undergrowth.
Many quads use the ESC and motors as the buzzer (DShot beacon), which goes silent if the battery is ejected — a small self-powered buzzer with its own cell keeps sounding after the pack unplugs. Note where you last had video before you start walking.