Lee Valley Mini Hygrometer/Thermometer

This compact gauge lets you accurately monitor humidity and temperature in locations such as greenhouses, workshops or storage areas. The LCD screen shows current results in Celsius or Fahrenheit, and gives min/max readings at the push of a button.

Supplied with a folding wire stand that can also be used as a hanger, it measures 4″ × 1 1/4″ × 1/2″ thick, has an operating range of -9.9°C/14.2°F to 50°C/122°F and runs on one included button-cell battery.