Simultaneously monitors both temperature and humidity on an extra large 3-3/16 x 2½" dual display which can be read from across a room. Monitor humidity and temperature in labs, chemical storage areas, clean rooms, stock rooms, warehouses, factories, greenhouses, and outdoors. Recall min/max temperature and min/max humidity readings over any time period or have it automatically reset itself every 24 hours. Comes with 1 AAA battery which lasts a full year. 

Features & Specifications:

• Large Display- simultaneously monitors both temperature and humidity on an extra-large 3-3/16 x 2½" dual display which can be read from across a room
• Recall min/max temperature and min/max humidity readings over any time period or have it automatically reset itself every 24 hours
• Stand or wall mount
• Temperature: Range -58 to 158°F (-50 to 70°C) | Resolution 0.1°F or C | Accuracy ±2°F (±1°C)
• RH: Range 10 to 99% | Resolution 1% | Accuracy ±5%
• 5 Year Warranty
• Optional N.I.S.T. Traceable Calibration Certificate (Part # SP800016)