About this item ㅁSY TO INSTALL㠍ini Digital Hygrometer Thermometer easily knows the current humidity and temperature, Embedded opening size (1.81*1.06 inch) or fixed with double-sided tape. ㈩gh Precision Display㠉ndoor Thermometer Hygrometer Temperature measurement accuracy: ? Humidity measurement accuracy: ?H. 㗉DE TEMPERATURE TEST㠉ndoor Thermometer Hygrometer Temperature measuring range -58⭲30⠻ Humidity measuring range 1%-99%RH. 㔷o in One㠍ini Digital Hygrometer Thermometer is 2in1 meter with built-in probe; digital electronic thermometer and hygrometer for measuring temperature and humidity for indoor use ㌏NG BATTERY LIFE㠈ygrometer Powered by two LR44 button cell (Included), Battery working time up to 8 months. Package Includes: 4 x Digital Thermometer Hygrometer, 4 x Double-sided tape.