View both temperature and humidity readings even from across a room with this extra large display. Convenient for use in labs, storage areas, incubators, refrigerators or fume hoods. Features automatic recall of min/max readings and manual recall. Supplied with AAA battery that will last up to one year.Temperature: Range: -10° to 50°C, 23° to 122° F Resolution: 0.1° Accuracy: ±1°C (±2°F) Humidity: Range: 20 to 99% Resolution: 1% Accuracy: 6% 30-60% Dimensions: 4 x 3 x 7/8 Inches Valuable lab tool Easy to read display