Car Battery Diagnostic Instrument Battery Change Memory Special Battery Change Current Detection Auto Battery Replacement ToolFeatures:Protecting the Vehicle ECU data. When replacing the car battery, it can be used to supply power to the vehicle ECU to prevent the lo of vehicle ECU data.Red light on: Represents a good connection with the storage battery red screen will display the current voltage of the storage battery; blue screen will display the current (currently no load, 0).Blue light on: Connected to the car OBD red screen will display the current integrated voltage; blue screen will display the current generated (premise of the car lo battery to be lower than the backup battery voltage).High insulation, strong biting force. Iron surface nickel-plated treatment, effectively play a corrosion-resistant oxidation, resistance to plugging and unplugging effect.What you get: 1x Car Battery Diagnostics.Specifications:Item name: Car Battery DiagnosticsApplication: Replacement of car battery (12V)Color: As shownMaterial: PC+PVCTolerance value: about 2%Maximum current: 5A (10A exchangeable)Working Condition: -10~+50Cable length:135cmNote:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.