Item Type: Car Battery Tester Material: ABS Display: Color TFT LCD screen System Voltage: 12V Input Voltage Range: 8V to 16V Operating Temperature: 0 to 50 Storage Temperature: -20 to 70 Capacity: Cold start current (CCA), DIN, EN and IEC information relative to the battery rating. Internal resistance value(m) Percentage of life(%) Crank system Charging system Waveform voltage test Battery test, startup test, charge test and other additional functions Measurement Standard: CCA: 100-2000 BCI: 100-2000 CA: 100-2000 MCA: 100-2000 JIS: 26A17-24SH52 DIN: 100-1400 IEC: 100-1400 EN: 100-2000 SAE: 100-20001Wide Application: Car battery tester can be tested on all 12V 100?2000 CCA batteries, including normal rich liquid, AGM, spiral AGM or colloidal batteries. 2Battery Tester: Digital battery analyzer provides an overview of your battery's health and helps you understand battery status ahead of time before runs out. 3Function: Battery load tester provides you with basic battery parameters such as voltage, internal resistance, cold start amplifier and AH capacity, charge status. 4Professional: Digital auto battery analyzer allows you to test the vehicle's internal and external batteries, even when the battery is dead. 5Easy Operation: Simply connect the tester clip to the battery, and digital battery tester will be energized and ready to test and analyze the battery. 1 xCarBatteryTester 1 x User Manual