About this item ㅁSY TO INSTALL㠒eptile Decor Mini Digital Hygrometer Thermometer is Easy to know current temperature and humidity,Embedded opening size (1.81*1.06 inch) or fixed with double-sided tape. ㈩gh Precision Display㠈umidity Sensor Temperature measurement accuracy: ? Humidity measurement accuracy: ?H. 㗉DE TEMPERATURE TEST㍩ni thermometer Temperature measuring range -58⭱58⠻ Humidity measuring range 10%-99%RH. ㅁSY READING㠈umidity Gauge Easy to read LCD screen; Temperature readings to within 1 degree. ㌏NG BATTERY LIFE㠍ini thermometer Powered by two LR44 button cell (Included), Battery working time up to 8 months. Gift: 4*LR44 spare battery; Package Includes: 2 x Digital Thermometer Hygrometer; 4*LR44 spare battery; 2 x Double-sided tape.