Buyin-now LCD Digital Thermometer Hygrometer Humidity Temperature Meter Indoor Home LCD display shows current temperature, humidity. Measuring temperature range:-50C~70C(-58F~158F) Measuring humidity range:10%RH~99%RH Accuracy: 1C Humidity display resolution of 1% Temperature measurement accuracy of 5% Selectable temperature unit: C or F Recording MAX/MIN temperature and humidity value automatically Item size: 77.5 x 70 x 24mm Power Supply: 1.5V Battery Type: AAA Battery(Not include)