Accuracy 0.1°C / 0.2 °F Response Time 1 Second Measurement Range 32.0°C-42.0°C (90°F-107.6°F) Operating Ambient Range 41°F-104°F(5°C -40°C) Operating Ambient Range 5°C -40°C (41°F-104°F) Display Liquid Crystal Display Size 106*33*45MM Weight Approximate 40 grams Power Source One button battery size CR 2032 Battery Life 100 hours of continuous use