2PCS 5V Active Buzzer Alarm Beeper Lost Finder w/ Cable for F3 F4 F7 FPV Drone
2PCS 5V active buzzer alarm beepers with cables for F3, F4 and F7 FPV drone flight controllers.
Price range: See on Amazon
What we liked
- + Pre-attached cables make installation quicker than bare buzzers
- + Compatible with F3, F4 and F7 flight controllers
- + 2PCS pack gives a spare for a second quad
Trade-offs
- - Relies on the quad battery, so it stops if the battery ejects
- - Basic buzzer, so check the volume rating if flying in open fields
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