The OBD2 Automotive Engine Scanner Scan Tool, with manufacturer part number MS309, is a versatile diagnostic tool designed for automotive use. It features a backlit display for easy viewing, the ability to shut off the check engine light, and the ability to display freeze frame information. Additionally, it has the capability to erase codes, providing users with a comprehensive solution for diagnosing and repairing their vehicles. This tool is a valuable resource for car enthusiasts and professional mechanics looking to efficiently identify and address issues with their vehicles' engines.