Hygrometer Digital Moisture Meter Carton Humidity Tester Wall Hygrometer Timber Damp Detector Non-destructive Meter ,Easy Operate

Inductive measurement,no harm on the measured surface. Convenient and fast. Measurement though HF electromagnetic sensing PROTECT WORK SURFACES -Pinless moisture meter comes with no pins on, so your walls and projects can be undamaged from pinholes, scuffing and scratching to figure out their moisture levels EASY TO READ AND USE- Moisture meter has Big backlit LCD screen and a LCD bar graph, HOLD button, auto power-off function, out of range alarm and low battery. VISUAL AND AUDIBLE ALERTS - if you're looking for the source of a leak behind your work surfaces, listen for the high pitch tones to give you an accurate read on where moisture is most concentrated or quickly see using the tricolor LED moisture indicator.