Measuring range wood: 5 - 40% Reading: 1 % Max. Error tolerance: 1 % Rh+ 0.5 for measuring moisture. e.g. in wood. paper. cardboard. building materials. etc. measurement via 4 built-in sensor tips ; robust. shock-protected ABS plastic housing ; large LCD display with clear reading ; on/off button. measured value hold function button ; automatic switch-off. battery status display ; setting of the upper limit of the moisture ratio ; storage temperature -10°C ~ 60°C. working temperature 0°C ~ 40°C. rel. humidity <70% RH ; incl. 1 x 9 V battery (type 6LR61. art. no.: 60 9281). with operating instructions made in china