Waterproof Thermometer, long stem, -40 to 450°F (-40 to 230°C), 6 second response, 1"W x 1/2"H (2.5 x 1.3cm) display, 2.5 mm thin tip, 8" (20.3 cm) stem, field calibration, waterproof, shatterproof, max/min, high heat, data-hold, large digit format, on/off button, requires (1) 1.5v LR44 battery (included), pocket clip/hook, food-safe ABS plastic with BioCote®, 304 stainless steel stem, NSF