Mini Digital Thermometer Hygrometer Indoor Humidity Monitor Temperature Humidity Gauge Meter With Fahrenheit () (2 Pcs) [EASY TO INSTALL] Mini Digital Hygrometer Thermometer easily knows the current humidity and temperature, Embedded opening size (1.81x1.06 inch) or fixed with double-sided tape. [High Precision Display] Indoor Thermometer Hygrometer Temperature measurement accuracy:+/- 1; Humidity measurement accuracy:+/- 2%RH. [WIDE TEMPERATURE TEST] Indoor Thermometer Hygrometer Temperature measuring range:-58-230 ; Humidity measuring range:1%-99%RH. [Two in One] Mini Digital Hygrometer Thermometer is 2 in 1 meter with built-in probe; digital electronic thermometer and hygrometer for measuring temperature and humidity for indoor use [LONG BATTERY LIFE] Hygrometer Powered by two LR44 button cell (Included), Battery working time up to 8 months. colour:black Material:plastic Package Contents:2 x Digital Thermometer Hygrometer Only the above package content, other products are not included. Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.