description pinless moisture meter the #mmd7np pinless moisture meter is ideal for measuring the moisture content of wood and construction materials. california proposition 65 warning. features non-invasive, non-marring, technically ideal for detecting moisture under finished surface pinless design is ideal for woodworking, flooring and other applications in which it is important to not damage the wood separate settings for drywall, masonry, softwood, and hardwood 2-in (50mm) diagonal backlit lcd plus 3-color led bar graph 3/4-in (20mm) maximum sensing depth 4% accuracy on wood reading hold button auto power off function and out-of-range alarm low battery indication, powered by one 9-volt battery (included) specifications acme tools brand name general tools acme tools part number mmd7np assembled weight (lbs) 0.5 california proposition 65 warning required yes case included no charger included no country of origin china display style lcd globaltradeitemnumber (gtin) 00681035015834 internet product code (ipc) fe1aae448da manufacturer warranty 1 year limited package depth 1.25 package height 10 package weight 0.58 package weight (lbs) 0.58 rechargeable no replaceable sensor tips no upc 681035015834 weight (lbs) 0.34