The Stanley 0-77-030 Moisture Meter has a dual measurement scale, LCD display and measures masonry (mortar, concrete, plaster) moisture from 0.2% to 2.0% and wood moisture from 6% to 44%. The Stanley 0-77-030 is a versatile Moisture Meter useful for taking readings from various building materials Features: LCD display indicating the moisture level on a bar graph Test sockets supplied in the cap Measures Moisture: Across masonry (mortar, concrete, plaster) moisture from 0.2% to 2.0% and wood moisture from 6% to 44% Two Detection Pins: 8mm in length to locate in material being tested Specifications: Colour: Yellow Batteries Required: Yes Model Number: 0-77-030