SODIAL Mini Digital LCD Thermometer Hygrometer Humidity Temperature Meter Probe Mini Digital LCD Thermometer Humidity Temperature New Temperature Range: -50c ~ 70c Measuring Humidity Range: 10% RH ~ 99% RH Humidity Accuracy:5% Humidity Display Resolution: 1% RH Temperature Accuracy: 1C Operating Voltage: 1.5v, or LR44 batteries(Include) Sampling Period: 10S Dimension: 48 x 28.5 x 15.2mm;LCD Dimension: 40 x 22.5mm;Installation dimensions:46 x 27 x 13.5mm 1 x Digital Thermometer Hygrometer 2 x LR44 batteries(1 pair)