Digital thermo hygrometer calibrated and ready to use.

Features:

• Calibration not required
  
• Temperature in degrees Celsius and Fahrenheit
  
• Temperature: 32 to 120 F or 0 to 50 C
  
• Relative humidity (RH): 20% to 95%
  
• Accuracy (RH): +/-2% (Temp): +/-.1 C
  
• Magnetic attachment
  
• Battery: 1 x CR2025
  
• Refresh rate: 15 seconds

Dimensions:

5.7 cm diameter

Weight 60 g