Features: Measure temperature and humidity Maximum and minimum temperature and humidity memory function Two high-magnetic magnets on the back shell, which can be adsorbed on metal objects Has a support and can stand in a horizontal position Two 1.5V AAA No. 7 batteries for power supply (regular packaging does not contain batteries) Three high-sensitivity touch button controls, easy to operate Comfort indicator, temperature and humidity trend indicator HTN large-screen high-definition non-viewing angle LCD display Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement 1. Temperature range: -4F - 158F (-20C - 70C). 2. Humidity range: 20%-95%. 3. Comfort display: dry, comfortable, wet. 4. Temperature display unit: CF optional (default is C). 5. Temperature resolution: 0.1C 6. Humidity resolution: 1%. 7. Re-fresh rate: 10 seconds. 8. Error: temperature + or -1C, humidity + or - 5% 9. Product size: 95*24*112MM 10. Product single net weight: 140g Package List: 1 x Digital Hygrometer