The portable Raytek ST25 AutoPro infrared thermometer is the solution for automotive diagnostics.","Temperature variances can indicate common mechanical and electrical problems. Diagnose them faster, more safely, and more easily with the Raytek ST25 AutoPro infrared thermometer, the non-contact solution specially designed for the automotive professional.","The Raytek ST25 AutoPro infrared thermometer features SmartSight – two lasers merge into a single laser point to indicate a half inch (13mm) target, an ideal spot-size for small area measurements often required for automotive diagnostics. The Raytek ST25 AutoPro infrared thermometer can read temperatures up to 999°F (535°C), and can accurately measure in low light conditions, illuminating the work area with a built-in LED flashlight. The Raytek ST25 AutoPro infrared thermometer also features an illustrated, step-by-step user manual with detailed instructions for many common automotive diagnostic procedures, including engine misfires, exhaust and emissions, cooling systems and heating and air conditioning systems.