moisture meter mc-7825ps 1. features * be a powerful and versatile instrument for measuring and diagnosing dampness in buildings and building materials. this product enables building surveyors and other practitioners to measure moisture levels of building elements such as walls, floors and other building materials simply by switching between the two different modes of operation. in this way, a detailed understanding of the moisture condition of the property can be obtained. * digital display gives exact reading with no guessing or errors while a colour coded light (led) indicates the moisture condition of the material. this combined presentation of moisture measurement helps the user to map the extent of problems and monitor changes in condition precisely and reliably. * alarm values can be set by users. * automatic power off to conserve power. 2．specifications display：4 digits, 10 mm lcd with colour coded led indication green led represents a safe, air-dry state. yellow led represents a borderline state. red led represents a damp state. measurement range: measurement code: 10 codes in a pin mode 20 codes in a search type accuracy: ?0.5%n or ?0.5% whichever is the greater power supply: 4x1.5 aa a size power off : 2 modes manual off at any time auto power off after 5 minutes from last key operation operating conditions: temperature : 0-50 ℃ humidity : below 90% rh dimensions: 165x62x26mm or 6.5x2.4x1.0 inchweight: 175g (not including batteries) standard accessories included : carrying case 1 pc. operation manual 1 pc. separate probe 1 pc.