
YE-0019 - This is a fantastic low voltage buzzer and voltmeter for 2S to 8S Li-Po Batteries. Prevents Li-Po battery damages due to low voltage - Buzzes if Li-Po cell drops below 3.3V or 2,7V (user settable) - Reverse polarity protection - Useful for Air-RC while the LED cannot be seen - Compact in size: can be put in micro-heli or other models - Light weight (6.3g) - Dimensions: L39.0 x W25 x H11.0 (mm)