Features Measures from -40 to 482°F (-40 to 250°C) NSF-certified 2.4" (61mm) stainless steel probe for measuring liquids, pastes and semi-solid food Fast response time at < 5 seconds in moving liquid Large LCD display with 0.1° resolution Basic accuracy: ±1°F/0.5°C Auto Power Off Ultrasonically welded housing (waterproof IP65 rated) with anti-microbial additive Built-in magnetized strip attaches to refrigerator Complete with CR2032 battery Specifications Display: Multi-function LCD Update rate: 2 readings per second Response time in moving liquids: 4 seconds (approx.) Measurement ranges: -40 to 482° F (-40 to 250° C) Resolution: 0.1° F/C Accuracy: ± 1° F from -4 to 302° F (± 0.5° C from -20 to 150° C) Otherwise ± 3° F (1.5° C) Low battery indication: Battery symbol/ERROR icon appear on the LCD Power supply: 1 x CR-2032 Battery Operating Temperature: 32 to 122° F (0 to 50° C) Dimensions: 4.6 x 1.5 x 0.8" (116 x 38 x 20mm) Weight: Approx. 1.3 oz. (41.2g) with battery installed The TM55 is a Pocket Fold-Up Food Thermometer. This Compact Stem Thermometer with 2.4" (61mm) stainless steel probe is NSF certified for measuring liquids, pastes, and semi-solid food. Complete with CR2032 battery.