Cornwall TH3 - Digital two-point thermohygrometer with probe

CORNWALL Thermo Hygrometer Max-Min Digital Probe TH3 for measuring the temperature and relative humidity levels in the grow room. The probe offers a second temperature measurment.

• Outside temperature: -50°C ~ 70°C (-58°F ~ 158°F) 
• Inside temperature: 0°C ~ 50°C (32° F ~ 122°F) 
• Precision: +/- 1°C
• Humidity: 20% RH ~ 98% RH
• Precision: +/- 1% RH
• 1pc 1.5V AAA battery (included)