Humidity/Temperature Meter, 4.25 x 4 x 3/4", 25 to 95% RH Range, 1% RH Resolution, ±2% RH Mid-range to ±4% RH Elsewhere RH Accuracy, -50 to 70°C Probe Temperature Range, 1.125" LCD Display, with Flip-Open Stand, Wall Mount, Battery
External probe range is -58 to 158°F and -50 to 70°C (out reading). Ambient internal probe range is 32 to 122°F and 0 to 50°C (IN reading). Resolution is 1° and accuracy is ±1°C. Humidity range is 25 to 95%, resolution is 1% RH, and accuracy is ±2% RH midrange to ±4% RH elsewhere. Display is updated once per second. Minimum and maximum memories may be displayed or cleared at any time with the touch of a button. They permit monitoring conditions overnight, on weekends, or for any time period. Jumbo 1.12" display may be read from as far away as 35'.