VIFLY Finder 2 is a self-powered drone buzzer that can be used on fixed wing aircraft. It comes with light sensor, LED light and loud beeper that could work together to help find a crashed aircraft. It can still beep loudly even the aircraft battery was ejected or out of power with a built-in battery. The light sensor will detect light strength and control the LED light to blink when it is dark.

Here is the introducing video:



Elite member
Cool. How does it get wired up in an fixed wing aircraft without a flight controller? Is it connected to a spare/extra channel or to the throttle?
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Skill Collector
Looks like that - connect to a spare PWM channel. Interesting little device, and at $14.99 it doesn't break the bank either.