Feature: 1. High Accuracy and 2 Modes: The wood moisture tester has a resolution of 0.1%, and it has two modes of the wood and building materials. 2. Self Check Assistance: Integrated "self check" assistance on the protective cap allows users to calibrate the tool before use. 3. With Backlight Function: Equipped with a giant intelligent backlight display, providing extended visibility suitable for any ambient brightness. 4. With Accurate and Reliable Performance: The precie wood moisture meter can detect the moisture content from wood to building materials. 5. Wide Applications: Reliable tool that homeowners, carpenters, painters, must possess to detect humidity levels and detect hidden damage. Specification: Item Type: Wood Moisture Meter Product Material: ABS Weight: Approx. 140g / 4.9oz Principle: Resistance Type Wood Range: 4~75% Paper Range: 4-90% Wall Range: 0.2-24% Resolution: 0.1% Accuracy: ± 0.5% Electrode Length: 10mm / 0.4in Electrode Pin: Integrated Automatic Shutdown: The Button Automatically Shuts Down After 5 Minutes Of Inactivity Power Supply: 2 AAA Batteries (Not Included) Working Temperature: 0 ℃ To 40 ℃ (32 ℉ To 104 ℉) Measurement Temperature Range: -20 ℃ To 70 ℃. Package List: 1 x Tester 1 x Manual