Dry/Wet thermometers is suitable for measuring outdoor/indoor hygrometer. DRY/WET THERMOMETERS MEASURING RANGE:20% to 99% PRECISION: ±1%RH GOODS MEASUREMENT: 300 x 110 x 10 MM PACKAGE: 200PCS/CARTON CARTON MEASUREMENT: 50X35X25MM CARTON WEIGHT: 15KG/CARTON