With Backlight Or Not : YES Wood Moisture Meters Drywall Moisture Detector for Lumber Concrete Building Wall Moisture Sensor Humidity Tester 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 3-color LED bar graph, HOLD button, auto power-off function, out of range alarm and low battery, but 9V battery not included. 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., Weight: 0.110231131 pounds, Manufacturer: AIRYSSFU