The CHEPQ T400 Automotive Diagnostic Scanner is a professional 3-in-1 automotive diagnostic tool that combines a full-featured OBD2 scanner, battery analyzer, and circuit testing system in one powerful handheld device. Built for professional mechanics, repair shops, fleet operators, and DIY vehicle owners, the T400 helps diagnose engine, electrical, and battery problems quickly and accurately. Equipped with a 3.5-inch TFT color display, powerful processor, and support for ove