Features Built-in printing functionality provides instant hard copy test results Auto-saving function ensures the latest test results are automatically saved for reviewing Tests batteries & charging/starting systems Easily adjustable date/time printing mode Extremely simple interface provides quick & easy battery analysis Circuit protection provides the analyser with reliable protection against short circuitingReverse polarity connection protection ensures reverse connection will not damage the tester or affect the vehicle and battery Includes Premium 12v Battery Analyser Thermal Paper Rolls x3 USB Cable