Features:

• 1-8s Lipo Battery Voltage Tester, Low Voltage Alarm Mode for 2-8S, Function of Checking Your Lipo Cells Voltage
• Use for 1-8s Lipo/Li-ion/LiMn/Li-Fe,Automatic Protects Against Reverse Connection
• Voltage Display Function and Low Voltage Alarm Funtion
• Protect the Battery from Overcharging or Overdischarging
• 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