Humidity Probe with Digital Display (Temperature and Humidity), 8 Pack

The United Scientific® Humidity Probe with Digital Display by United Scientific is a compact LCD monitor, 0.92″ in diameter, that shows relative humidity (10% to 99% RH, ±5%) and temperature (-50°C to 70°C, ±1°C, switchable °F/°C). It fits small spaces such as terrariums and growth chambers and includes an LR44 battery. Sold in packs of 8 for classroom and lab group monitoring.