Type:Moisture Meter Product name:Concrete Moisture Meter Display:Large LCD characters display Measurement principle:Electrical Resistance Wood Range:6 to 60% Building Range:1.5% to 33% Temperature Range:0 to 50( 32 to 122) Resolution:0.1(0.1) Accuracy:2(4) Eight calibration scales (A,B,C,D,E,F,G,H), based on different types of wood materials Lock function, used to freeze the measurement data Low battery prompt function Electrode pin length:10mm(0.4inch) Electrode pins:Integrated Auto Power OFF:After . 3 minutes Power Supply:2xLR03 AAA 1.5V batteries(without batteries) Operating Temperature:0C to 40 C (32F to 104 F) Working current: 35mA 3.0V Operating Humidity:85% Relative Humidity Maximum This instrument can be used to measure the moisture content and temperature in wood and building materials. Colour:As Shown Material:plastic Package Contents: 1 x Concrete Moisture Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.