ขาย Buzzer 100Db ไฟ Led 100 เดซิเบล Bf F7 สําหรับ Fpv Quadcopter และเครื่องบินของเล่น ราคาที่ดีที่สุด

The buzzer has two working es: It is compatible with the functions of the traditional active buzzer and is synchronized with the driving of the flight control. When the flight controller is normally connected, if the main battery is powered off during the flight, it can still automatically emit a 100 decibel beeping sound after 30 seconds of power failure, and the LED will emit a white light, which is more sound than a normal buzzer much larger. How to turn off the buzzer: Press and hold the release button for more than 2 seconds, YR50B_S Finder turns off the sound. YR50B_S Finder is compatible with all BF and CF flight controllers. Just connect to the buzzer interface of the flight controller to work. When the flight control wiring is correct, the multi-rotor aircraft is powered on and the flight control power supply will automatically charge the YR50B_S Finder (the red LED will be on to indicate that charging is in progress, the red light off indicates that the charging is full; the red light flashes quickly to indicate that the flight controller is off Power, enter 30 seconds waiting time). Colour: picture color Material: composite material Size: 18x17x15MM Package Contents: 1 * Buzzer (built-in battery) 1 * LineOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.