Digital Temperature Sensor

Temperature Range: -50degc ~ 70degc Measuring Humidity Range: 10% RH ~ 99% RH Humidity Accuracy: 5% Humidity Display Resolution: 1% RH Temperature Accuracy: 1degC Operating Voltage: 1.5V, or LR44 batteries (NOT Included) Sampling Period: 10S Dimension: approx. 48 x 28.5 x 15.2mm LCD Dimension: approx. 40 x 22.5mm Installation dimensions: approx. 46 x 27 x 13.5mm Color: Black/White This hygrometer has a probe, which can test some places humidity exactly.