Indoor Outdoor Thermometer Wall Large Numbers Thermometer No Battery 10" Hanging Digital Weather Hygrometers for Home Garden Outside Patio Decor (Black)

Automatic calibration: The outdoor thermometer does not need batteries, has a built-in temperature and humidity sensor, and automatically calibrates within 3 hours, and the pointer will automatically match the local temperature

Adaptable: Wall thermometer temperature range from -40 to 60°C, -40 to 140°F, both Celsius and Fahrenheit, humidity range from 0 to 100% RH, suitable for all weathers and climates

Easy to Read and Use: The bold black font in the large numbers on the 10" outdoor thermometer makes temperature and humidity readings easier, even from far away

Wide Application: The large thermometer is the perfect addition to any occasion, the holes in the back allow you to easily hang it in greenhouses, warehouses, bedrooms, offices, warehouses, laboratories, balconies, gardens, patios, anywhere you want

Note: If your outside thermometer is not accurate, you can put it in the refrigerator for two hours and let it calibrate automatically, or manually calibrate through the small hole on the back of the thermometer