An OBDII/OBD2 scanner is a great addition to any home mechanics toolbox, allowing you to scan, identify and diagnose potential faults and dashboard check engine lights without an expensive trip to the mechanics. The Foxwell ET2709 Code Reader & Battery Tester is a great example of one of these standalone units, featuring a simple layout and easy to read colour screen for maximum clarity. This outstanding unit also features a battery testing capability, with an interchangeable testing clip that allows you to check the health of your 12V lead acid battery without having to disconnect or remove it from the system. Capable of producing live data graphing based on a diagnostic check of your engine's systems, this scan tool allows you to read error codes to get an understanding of system status, and remove any redundant or residual codes to help clear pesky check engine lights lights. Suitable for most petrol, diesel and hybrid passenger and light commercial vehicles post-2006, this Foxwell engine light checker gives you the advantage of free lifetime updates (direct through supplier website) to ensure that you're always up to date on new codes and information.