Handheld Digital Hygrometer – Humidity and Temperature Meter, 0-100% RH and -20 to +70°C

This handheld digital hydrometer has a built-in high precision sensor and has been designed for the measurement of humidity and temperature. It provides rapid, accurate readings displayed on an easy-to-read backlit LCD dual display. The device features data hold, min/max and auto power off. The ergonomic design is highly portable and pocket-sized. There is a low battery indicator. Requires 3x AAA batteries.