About This FIND HIDDEN LEAKS IN WALLS AND SURFACES: Prevent damage to your home with this digital detector that can measure moisture in wood, concrete and more ENSURE FIREWOOD IS READY TO BURN: Stick super-sharp pins into wood and see if Moisture Content is Low (5-11%), Medium (12-15%) or High (16-50%) CHECK LUMBER AND HARDWOOD FOR BUILDING AND WOODWORKING: Make sure you are using good, dry wood for all your projects to avoid cracks, splits, warping EASY TO USE: Large easy-to-read backlit screen with sturdy, hand-friendly body that feels solid when pressing pins into materials and Hold key that freezes readings LOADED WITH FEATURES: Moisture levels indicated by icons and audio alerts, automatic shut-off, built-in calibration test pins, 9V battery included PIN TYPE MOISTURE DETECTION: Features replaceable sharp stainless steel pins that penetrate materials to provide accurate moisture content readings for various surfaces VERSATILE MATERIAL COMPATIBILITY: Measures moisture content in firewood, lumber, brick, concrete, drywall, plaster, floors, walls, and carpets for comprehensive home inspection Overview Color : Multicolor Brand : Calculated Industries Product Dimensions : 2.5"W x 1"H Item Weight : 0.4 Pounds Battery Description : 9V battery included