Robust and compact moisture meter for measuring moisture content in wood and building materials such as concrete, brick, plaster, drywall, wallpaper, etc. Moisture meter with convenient "Hold" function for easy measurement in hard-to-reach areas. Measurement range: 550% for wood, 1.533% for building materials. Auto power-off after approximately 10 minutes to conserve battery life. LCD display for clear readings. Suitable for wood, paper, cardboard, and similar materials. Measurement principle: Electrical resistance. Features 4 wood groups with calibrations for approximately 50 wood types. Shock-resistant housing. Data hold function. Includes protective cap. Technical Specifications: - Measurement Principle: Electrical resistance - Range: 099.9% - Resolution: 0.1% - Accuracy: 0.5% - Electrode Length: 10mm (0.4") - Electrode Pins: Integrated - Auto Power-Off: After approximately 10 minutes - Housing Material: ABS - Operating Temperature: 040C (32104F) - Dimensions: 145 x 67 x 32mm (5.7 x 2.6 x 1.3")