ViFly Finder Mini - Lost Drone Finder/Locater/Alarm

So I have mixed feelings about this guy, while it does exactly what I need to perfectly it's annoying to have to turn off the buzzer every time I unplug. However one battery ejection from my quad will this pain and suffering be worth it. Just make sure you power this off a 5v pad instead of 4. 5 so it doesn't work off usb and turns on when you do betaflight stuff.

Excellent!

Perfect for my needs! Small size, smart programming and form factor, good price. Loud beeper. Makes location much easier. Simple operation and good product. I'll put this on all my quads. Long battery life.

Very small and loud

This is a loud beeper that I use on my smaller, easy-to-lose quads. Light enough for a 2.5" or 3" drone.