- Built-in MCU
- Working voltage range: 4.5~5.2V DC
- Power: 1W Max.
- Sound Output: 90dB Max.
- Size & Weight: 18x13x8mm, 2g
It can be used on traditional PWM receivers or FPV racing flight controller.
The tiny buzzer is driven by on board MCU. It can output louder sound than 5V active buzzers.
It is a 3in1 gadget with LiPo Battery monitor, Discovery buzzer & Signal loss alarm functions. Buildin ultrahigh brightness LED & twin loud buzzers.
1-8S latest combo battery monitor, BB ring low pressure alarm, electric display,
Product information ：
Alarm 1-8S latest 2 in 1 battery monitor BB ring low pressure adjustable Buzzer
A product has two functions, low-power display and alarm (low pressure alarm can be adjusted)
Tips: Set in the middle of the two black horn button alar
Cellmeter 7 / 1-7S Digital voltage power monitor 2-7S lithium nickel-cadmium battery detector Lipo nicd nimh life cell meter 7