Specs:

- Function Of Checking Your Lipo Cells Voltage

- Function Of Lower Voltage Warning Before And In flight

- Automatic Protects Against Reverse Connection

- Protect The Battery From Overcharging or Overdischarging 

- Suitable for 1 – 8S Lipo/Li-ion/LiMn/Li-Fe battery   

- Voltage Detection Precision: +/- 0.01V 

- Unit Voltage Display Range: 0.5-4.5V

- Total Voltage Display Range: 0.5-36V

- 1S Test Mode Voltage Range: 3.7-30V

- Low Voltage Alarm Mode For 2 - 8S 

- Alarm Set Value Range: OFF , 2.7V - 3.8V

- Weight: 9g

Note: When The Voltage Is Below The Set Value, It Will Buzz With Red LED Light, Pre-set Value 3.3V, Push Key Which Can Change The Voltage Settings And Save

The Alarm Sounds And Red Lights are To Warn You When The Battery Voltage Is dropping Lower Than Default Or Your Setup. It Can Prevent Your Lipo Battery from getting Damaged Due To Low Voltage 

The Default Alarm Voltage Is 3.3v, The Min. Voltage Can Be Adjusted By The Button