Type: Battery TestersModel : BT200 ProWorking voltage: 7-28 volts;Working temperature: 0 to 60°C (32 to 140°F);Storage temperature: -20 to 70°C (-4 to 158°F);size: length\width\height: 124mm (4.61")\73mm (2.83")\22mm (0.71");Packing size: 180 mm (length) x 180 mm (width) x 55 mm (height);Weight: 0.45 kg.Quick test-the system will automatically detect the car battery.Standard test-car battery type can be selected.Starting test-test the vehicle battery status by detecting the minimum ignition voltage of the starting vehicle.Charging test-to detect the service life of the car battery through the charging and discharging test time.View data-View the last data stored in the system.Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-3 cm measuring deviation due to manual measurement.