Big Digit Hygro-Thermometer with Remote Probe Extech 445715

This Extech Big Digit Hygro-Thermometer has an extendable probe with a 45.7 cm (18 in) cable. It measures humidity from 10% RH to 99% RH ± 4% RH and temperature from -10°C to 60°C ± 1°C (14°F to 140°F ± 1.8°F). This meter also includes maximum/minimum and rest functions, as well as having a rear calibration adjustment post with optional RH calibration bottles. Comes complete with built-in stand, mounting bracket, sensor, and 1 AAA battery.