Veterinary/Lab thermometer with pocket clip designed for accuracy, speed and dependability. Jumbo display. Instantly converts Fahrenheit to Celcius. Round probe tip is ideal for taking animal temperatures. Auto-calibration. Waterproof due to sealed unibody construction. NSF certified. Reading range of -40°F to 311°F with +/- 1°F accuracy. Cover holds probe at desired depth for lab use. Includes a 1.5V button battery.