About this item

• 6.3 inch diameter round wall thermometer and hygrometer (humidity measurement) to monitor weather condition.
• Large and transparent acrylic instrument surface display, black bold numbers inside which make it easy to read the temperature value from long distance
• Can be placed indoors or outdoors, including baby rooms, offices, laboratories, balconies, etc. The hook on the back that can be hung anywhere
• Ranges between -40 and 140℉ to accommodate all climates, both Celsius and Fahrenheit are available; humidity range from 0 to 100%RH
• Automatic Calibration within 2-3 Hours: This weather thermometer with a precision-made thermometer coil ensures accurate readings. you don't need to calibrate it and does not require a battery