1" digits displayed on a large (3.1" x 2.4") LCD provide simultaneous measurements of temperature (°C or °F) and humidity. Measures temperature from 14 to 140°F (-10 to 60°C) with an accuracy of ±1.8°F (±1°C) and relative humidity from 10 to 99% RH with an accuracy of ±5%. Memory with reset function stores minimum and maximum measurements for temperature and humidity. Unit operates on 1 AAA battery (included), measures 4.3" x 3.9" x 0.78" and weighs 6 oz. Comes complete with instructions, built-in tilt stand and wall mounting bracket. 1-year warranty.