Feature:1. This moisture detector with four measurement modes: Drywall pattern, masonry pattern, softwood pattern, hardwood pattern, this tool also can be used for other materials.2. Adopt VA full vewing angle reverse display screen, you can read the data more clearly, also easy for you to operate.3. Adopt electromagnetic w-ave sensors, it is suitable to measure the object which thickness is greater than 20mm, and the area of the object need be greater than 40x40mm.4. and units conversion function, you can change the units quickly for your different needs.5. Ambient temerature and humidity detection function: With the temperature and humidity sensors to detect the ambient temperature and humidity for you.6. Over-range alarm function: When the detect value of drywalll and masonry u003e 70 percent , and when the detect value of softwood and hardwoodu003e17 percent , the b-uzzer will warning.Specification:This powerful non destructive induction humidity meter can detect the humidity of wood for you, you can use it to test the wood in your home, and it also works for drywall and masonry wall detect, come on and have a try, it will not let you down.Specifications:Material: ABSMeasuring Ranges:Softwood: 0 percent -55 percent Hardwood: 0 percent -35 percent The humidity readings of drywall and masonry are relative valuesPower: 3 x AAA battery (NOT included)Detection thickness: 20mmAutomatic shut-down: 10 minutesWorking current: 20mAOperating temperature: 0-40Working humidity: 0-70 percent Storage environment: -10-50 (5 percent 95 percent RH)Item size: 132 x 73 x 33mm or 5.2 x 2.9 x 1.3inItem weight: 150g or 5.3ouncePackage size: 160 x 90 x 50mm or 6.3 x 3.5 x 2.0inPackage weight: 200g or 7.1ounce.Package List:1 x Wood humidity Meter