Analog Indoor and Hygrometer Humidity Guage Temperature Humidity Meter No Need Battery for indoor and outdoor

Description: 2 in 1 thermometer and hygrometer accurately measures temperature range from --30 to 50° C -20 to120° humidity range from 0 to . 4inch round waterproof shell alloy dial and alloy housing adapt to four seasons and climate. No battery built-in temperature and humidity sensor will automatically sense and accurately measure you do not need to calibrate. Fahrenheit and celsius temperature scales large and clear reading easier and hanging it on the wall or door. Suitable for greenhouses warehouse offices cabinet garden patio home etc. Specification: Material: Alloy housing and shell Diameter:100mm/3.94inch Type:Pointer Hygrometer Humidity Temps Range:-30-50°C Temps Accuracy:±2° C Temps Resolution:C Humidity Range: 0- Humidity Accuracy:±2% RH Humidity Resolution:2% RH Package Includes: 1 Piece Hygrometer Humidity Meter Note: Please allow slight dimension difference due to different manual measurement.