• Large LCD with easy-to-read 1" (25mm) digit size
• Indoor (built-in sensor): 14 to 140°F (-10 to 60°C)
• Outdoor (external probe): -58 to 158°F (-50 to 70°C)
• 0.1°F/°C resolution and basic accuracy of ±1.8°F (±1°C)

Built-in memory stores Min/ Max Temperature readings

Extech’s Big Digit Thermometer simultaneously displays indoor and outdoor temperatures plus it has a user programmable High and Low alarm for outdoor (external probe) temperature. Its wired external weatherproof probe with a 9.6ft (3m) thin cable can easy be installed through windows, doors, or any small openings leading to outdoors or inside a refrigerator/freezer or temperature controlled areas/rooms. Internal memory stores Min/Max readings over time. 

Applications:

Use in factories, greenhouses, and offices to monitor proper temperature conditions and to record temperature extremes.