It is a Digital Meter/Tester/Monitor Meter/Indicator/Thermometer. Measurement voltage: DC 6~120V . Temperature measurement range: -50 ~ +120°C. Application: our battery status tester is fit for 12V、24V、36V、48V、60V、64V、72V、84V, battery pack, balance car, inverter, electric forklift, sightseeing car, electric car, car battery, battery power mobile equipment.