[Accurate and Fast Response]This wood moisture meter accurately and reliably detects the moisture content of wood, paper and building materials. A must-have reliable tool for homeowners, , painters and architects. [Professional Instrument for Wood Measurement]Suitable for moisture measurement of various different wood types. Our wood moisture detection sensors quickly and easily scan the moisture content of different wood products. Easily check humidity buying or using expensive wood to avoid mold, cracking and warping. [ Friendly and Easy to Understand]Our digital humidity detector is designed with an easy-to-read backlit LED screen and has a hold button to freeze the reading. This multi-function humidity tester features a durable, tactile shape and rubber buttons that let you take multiple measurements with ease. [Sensitive Electrode Needle]This needle moisture meter adopts high-precision multi-material sensor, no calibration required. The stainless steel needle will support accurate readings when inserted into the wood or building material surface. [Auto Power Off]This humidity tester runs on 3 AAA batteries. If no buttons are pressed within 5 minutes, it will automatically shut down to help save energy. There are four grids on the screen to know the remaining power. Color: Gray Material: ABS plastic Package Contents: 1 x Humidity detector 1 x Battery 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.