This digital humidity tester combines a color screen with touch calibration, automatic data retention, and 30 minutes auto shutoffs, power by ABS construction for high measurement accuracy across materials Essential for contractors assessing lumber levels, woodworkers verifying wood dryness, and homeowners inspecting wall / floor during renovations projects Optimizes woodworking shops, construction site, and agricultural storage facilities by materials warping through quick detection in timbers beam, dry wall panel, and concrete slabs Engineered with 0 40℃ operational tolerance and urgent beep alerts when exceeding 60% humidity thresholds, ensuring efficient analysis without front penetration damage The 5000T pinless meter features undamaged 20 40mm depth detection with hearable alarms, displaying states through color code alerts for wood, dry wall, and concrete, Manufacturer: JDNH