Type: car fault diagnosis instrumentModel number : V311BOperating Temperature: -20 to 60 degreeStorage Temperature: -20 to 70 degreeExternal power: 12VUnit size: 156*88*24mmSpecial Functions: Battery Test, Charging TestSupporting: PrinttingSpecial Functions: Battery Test, Charging TestReal time detection of battery condition toensure longer battery life.Real time curve display, clear and clear.Switch between 9 languages at will.Support printing evaluation at time.Package includes:1 x Battery TesterNote: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 1-3mm measuring deviation due to manual measurement.Please allow 1-3mm measuring deviation due to manual measurement.