GM630 Digital Wood Moisture Meter LCD Backlit Portable Wood Moisture Tester 8 Gears Switchable with 9V 6F22 Battery for Most Kinds of Wood Material This instrument is an induction humidometer which can measure moisture content by putting it on the wood surface closely without damaging the wood surface. You can choose different gears (8 in total) to measure according to the wood density. Measurement range is suitable for most kinds of wood. Features: Portable wood moisture meter can quickly measure a variety of wood moisture contents from 0.5% to 79.5%, easy and accurate. 8 gears switchable according to the wood density, applicable to most kinds of common wood. It's suitable for wood, building materials, , carton, paper, etc. Digital LCD screen with backlight, clear at a glance; with data hold function for convenient reading. Powered by 9V 6F22 battery, automatic shutdown to save battery, more energy-saving, strong endurance. Compact and lightweight, easy to carry, convenient e anytime anywhere. Specifications: Moisture Measurement Range: 0.5%~79.5% Temperature Measurement Range: 0℃~50℃ / 32℉~122℉ Measurement Error/Moisture Value: ±1.5% Temperature Value: ±2℃ / ±3.6℉ Wood Density Range: 0.27g/cm³~1.05g/cm³ Detection Depth: 0mm~50mm Power Supply: 9V Heavy duty battery Material: ABS Item Size: 12.5 * 6.1 * 3.1 cm / 4.92 * 2.4 * 1.22 inch Item Weight: 107g / 3.77oz Package Size: 17.7 * 12.5 * 5.5 cm / 6.97 * 4.92 * 2.16 inch Package Weight: 238g / 8.39oz Package List: 1 * Wood Moisture Tester 1 * Battery 1 * User Manual (English)