description compact pin moisture meter the mo50 is a compact pin moisture meter. mo50 displays moisture level in wood and building materials such as wall board, sheet rock, cardboard, plaster, concrete and mortar. california proposition 65 warning. features displays moisture level in wood and building materials such as wall board, sheet rock, cardboard, plaster, concrete, and mortar audible alert - tone rate beeps faster as the moisture level increases icons display low, medium, and high levels of moisture content easy-to-use, compact-sized design data hold freezes reading on display built-in battery level check and measurement verification test auto power off conserves battery power complete with 4 pins, protective cap, and 9-volt battery specifications acme tools brand name extech acme tools part number mo50 adjustable sensitivity no assembled weight (lbs) 0.25 auto calibration yes california proposition 65 warning required yes case included no charger included no country of origin china data memory recall count 1 detector / tester type moisture display style digital globaltradeitemnumber (gtin) 00793950470510 internal supplier part # mo50 internet product code (ipc) 0e37ae89d49 manufacturer warranty 1 year package weight 0.5 package weight (lbs) 0.5 probe length (in) 0.01 rechargeable no replaceable sensor tips yes response time (s) 0.1 upc 793950470510 weight (lbs) 0.25