Measures moisture in wood and wood floors, drywall, concrete and concrete block, stucco, plaster, masonry and other building materials Measure (pin mode) diagnoses the extent of moisture intrusion for damage assessment and monitor drying out of building structures Search (non-invasive mode) behind ceramic tile, fine finishes, water stains, tile and vinyl floor coverings, wood, drywall, plaster, masonry, concrete and concrete block Hygrometry measures or monitors buildings for adequate ventilation affecting indoor air quality and moisture problems This Package Includes: MMS3 Instrument, Short Humidity Quickstick, Heavy Duty Moisture Probe, Calibration Check Device, Instructions, Software And Cable, Hard Case The Protimeter MMS3 is the industry’s most advanced all-in-one moisture meter. Its ergonomic, 4-in-1 design allows one-handed operation to measure moisture on and below the surface as well as ambient air humidity. An infrared thermometer which calculates the difference between dew point and surface temperature, is just one of the many advances designed to assess moisture in new/refurbishing projects and help diagnose moisture-related problems in existing buildings. All Protimeter instruments have a two-year warranty.