This powerful non-destructive induction moisture meter can detect the moisture 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. Features: This mositure detector with four measurement modes: Drywall pattern, masonry pattern, softwood pattern, hardwood pattern, this tool also can be used for other materials. Adopt VA full vewing angle reverse display screen, you can read the data more clearly, also easy for you to operate. 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 40 x 40mm. ℃ and ℉ units conversion function, you can change the units quickly for your different needs. Ambient temerature and humidity detection function: With the temperature and humidity sensors to detect the ambient temperature and humidity for you. Over-range alarm function: When the detect value of drywalll and masonry Greater than 70% , and when the detect value of softwood and hardwoodGreater than17% , the b-uzzer will warning. Specifications: Measuring Ranges: Softwood: 0%~55% Hardwood: 0%~35% The humidity readings of drywall and masonry are relative values Power: 3 x AAA battery (NOT included) Detection thickness: 20mm Automatic shut-down: 10 minutes Working current: 35mA Operating temperature: 0~40℃ Working humidity: 0~70% Storage environment: -10~50℃ (5%95%RH) color: Black material: plastic Package Contents: 1 x Wood Moisture Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.