This thermo-hygrometer measures temperature and humidity of the environment of its surrounding area and measures the outdoor temperature through its external thermo probe
Specifications
Displayed IN temperature range: -10°C to +60.0°C (14°F to 140.0°F)
Proposed operating range: 0°C to +50.0°C (32.0°F - 122.0°F)
Temperature resolution: 0.1°C (0.2°F)
Displayed Heat Index range: 26°C to 59°C(79°F to 138°F)
Displayed Relative Humidity range: 25%RH to 95%RH
External probe temperature measurement
Displayed OUT temperature range: -50.0°C to +60.0°C (-58.0°F to 140.0°F)
Temperature resolution: 0.1°C (0.2°F)
Batteries: Use 1 pieces UM-4 AAA size 1.5V alkaline battery