This product will protect your heli / plane and your li-po pack!

It supports 1 to 8 cell lipos on all sizes, it will beep when the voltage is too low, and you can set up how low you want the voltage level to set to beep.

You can hear the peep from a very far distance and it will keep beeping until the battery will ran out, and usually it takes a very long time. 

Few dollars can save your thousands and its a good way to monitor battery in the air, no need for a timer to remember to set every flight, you hear a peep? its time to land!

·         Use for 1-8s Lipl/Li-ion/LiMn/Li-Fe

·         Voltage detection pricision: 0.01V

·         Unit voltage display range: 0.5V-4.5V

·         Total voltage display range: 0.5V-36V

·         1S test mode voltage range: 3.7v-30v

·         Low voltage alarm mode for 2-8S

·         Alarm set value range: OFF-2.7V-3.8V

·         When the voltage is below the set value,it will buzzer with red LED light,pre-set value 3.3V.

·         Push key which can change the voltage settings and save.