HygroSet Slim Line Digital Hygrometer

The HygroSet is capable of being adjusted after calibration. Each click of the adjustment knob changes the humidity display (+ / -) by 1%.  Reasons to buy the  HygroSet Slim Line Digital Hygrometer Easy-set calibration instructions Humidity accuracy +/- 2% at 65% to 75% Temperature accuracy +/- 1 degree (displayed in Celsius or Fahrenheit) 10 Second refresh rate Button cell battery included Dimensions: 4”w x 1⁄2”th x 11⁄4”h