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A: Why the device name should be short
Control distance: About 300m
on the same time the two LED are
Finder JHE42B JHE42B_S JHE20B 5V Super Loud Buzzer Tracker 110dB with LED Buzzer Alarm For FPV Racing Drone Flight Controller foldable 3- For canceled orders andJHE42B Finder The buzzer has two modes of operation: 1. It is compatible with the functions of the traditional active buzzer and synchronized with the flight control. 2. When the flight control is normally connected, if the main battery in the flight is powered off, it can still automatically emit 110 dB of drip sound after 30 seconds of power failure, and the LED will emit white light, and the sound is louder than the general buzzer. Much bigger. How
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