Waterproof pocket thermometer fits flat in your pocket and stands up to constant rugged use. Wide dual temperature ranges available; -40 to 392°F with 0.1°F resolution, accuracy of ±2°F and -40 to 200°C range with resolution 0.1°C, accuracy ±1°C. Includes on/off button, auto power off, data hold, min/max readings and continuous update. Has 70 mm probe with built-in thermistor for liquid, solid, or gas measurements. Button cell battery included. Warranty: 1 year.