This unit is a precise instrument for measuring the moisture content of different types of wood, bamboo,paper, herbs etc. Large LCD display Wood type select function Measuring range: according to different types of tree to select Type 1: 2%-40% Type 2: 2% -50% Type 3: 2%-60% Type 4: 2%-70% Resolution: 0.1% High accuracy and fast reaction Data hold function Display with symbols and units for easy-reading. Low battery indication function Auto temperature compensation function Auto power off in 10 minutes without any operation Power supply:1 x 6F22 (9V) batteries (not included) Operation condition:0-40(32-104) 0-70%RH Colour:Red Material:Plastic Package Contents: 1 * Digital Wood 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.