Combines an anemometer, hygrometer, thermometer, sound and light meter into a single hand-held unit. Also, reads any type-K thermocouple probe. Results are displayed on a large dual LCD with low battery and out-of-range indications. Features touch-tone buttons, min/max, auto power off and hold functions. Comes ready to use in a soft carrying case with computer port, instructions, 6 AAA batteries, easel back, and a tripod screw. Uses optional USB Power Cable (840058), or AC Adapter (840097). N.I.S.T. Traceable Certification Report available for SOUND ONLY.