The perfect companion to protect your build from getting lost in the tall grass! Uses a backup lithium battery to provide an audible queue, even when your drone's battery has failed you!
Brand name: Eachine
Item name: 110DB 5V BB alarm buzzer module
Working voltage: 5V
Standby battery: lipo 4.2V 100mah
Size: 36 * 36mm
1 x 110DB 5V BB alarm buzzer module
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