Proster Pinless Moisture Meters - with Backlit LCD Screen Non-Invasive Damp Meter Detects up to 3/4-Inch Below Surface for Non-Destructive Moisture Detection Wallboard Masonry Hardwood and SoftwoodPinless Moisture Meters Moisture meter with Inductive Design, Protects Your Wall, Floor and Wood Furniture from Damage, and Figure out Their Moisture Levels. Can Check Suspicious Water Stains with a Moisture Tester around the House 4 Measuring Mode Pinless Moisture Meters Suitable For Measuring Wall, Masonry, Soft Wood and Hard Wood. Switched by the "Mode" Button(Note: Mold Cannot Be Measured) With Sound & Light Alarm Listen for the High Pitch Tones