• Check surfaces before painting, wallpapering, or laying floors or tile.
• Check decks before staining or sealing.
• Locate and trace roof leaks and water seepage and access the extent of rot and hidden condensation.
• Find out if potentially damaging excess moisture is present.
• Test hard or soft wood, concrete, plaster, carpet and more to determine the extent of moisture problems. 
• Helps to select drier lumber. 
  

Requires one 9V battery (not included)