The thermometer will run up to 1000 hours on a single AA alkaline battery.  All four models have switchable temperature ranges of -40°F to 500°F and -40°C to +260°C. 

The instrument is sealed internally and externally against moisture, dirt, and other contaminants.  The units can be cleaned with a mild detergent and soft cloth.  The thermometers have a five year limited warranty on the instrument; one year limited warranty on the probes.

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PTC Metrology ® is accredited by A2LA to ISO/IEC 17025 ANSI/NCSL Z540-1 to provide temperature calibration and certification services for Digital Thermometers with probes. Bath Temperatures from 196°C to 1200°C.

Cooper-Atkins Digital Thermometer 
  with Attached Probes 330 Series

Designed primarily for the food industry, these digital thermometers feature outstanding accuracy and versatility.
The durable probes and cables are attached for high accuracy and long service life.

The LCD Screen with Backlight, Water and Corrosion
Resistant, Hold Button "Freezes" current reading,
Unit Turns Off After 5 Minutes