Extech 445703 Big Digit Hygro-Thermometer

    Max/Min with “reset” function
    Humidity: 10 to 99%RH
    Temp: 14 to 140°F or -10 to 60°C
    Accuracy: ±5%RH; ±1.8°F, ±1°C

Specifications     Range
Humidity range     10 to 99%RH
Basic RH accuracy     ± 5% (25 to 80%)
Temperature range     14 to 140°F (-10 to 60°C)
Basic Temperature Accuracy     +/-1.8F/1°C (14 to 122°F)
Dimensions     4.3 x 3.9 x 0.78″(109 x 99 x 20mm)
Weight     6oz (169g)