description combination pin/pinless moisture meter take quick moisture measurements on wood and building materials with choice of pin or pinless (non-invasive) method. easy-to-operate with display icons that indicate the levels of moisture content plus audible alert feature. ideal for building restoration projects and applications where moisture detection on floors, tiles and under carpets is critical. a must-have tool for analyzing the after-effects of water leakage behind walls and in ceilings. california proposition 65 warning. features displays moisture level in wood and building materials such as wall board, sheet rock, cardboard, plaster, concrete, and mortar pinless moisture measurement depth to < 1 in. (25 mm) audible alert ??tone rate beeps faster as the moisture level increases built-in battery level check and measurement verification test specifications acme tools brand name extech acme tools part number mo55 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 0 detector / tester type moisture display style lcd globaltradeitemnumber (gtin) 00793950475058 internet product code (ipc) adf4750ceeb manufacturer warranty 1 year package weight 0.25 package weight (lbs) 0.25 probe length (in) 2 rechargeable no replaceable sensor tips yes response time (s) 0.1 upc 793950475058 weight (lbs) 0.25