Package Including 1 * Moisture Meter EWM04 1 * User Manual 3 * 1.5V AAA Batteries Product Parameters Measurement Range: Softwood(0-60%), Hardwood(0-36%), Wall(0-20%), Masonry(0-33%) Accuracy: 4% Display resolution: 0.1% Work Temperature: 32F104F (0C40C) Save Temperature: 14F122F (-10C50C) Working Humidity: 090% RH Batteries: 3*1.5V AAA Batteries 15 Min Auto-off Helps you to save power when there are no any operations. Data Hold To record or compare the reading for finding the issue fastly. Audible Alarm Audible alarm setting help to find the mold in the wood. Moisture Meter EWM04 Moisture Meter EWM03 Moisture Meter EWM02 Add To Basket See Details See Details Customer Reviews 4.4 out of 5 stars 1,977 4.4 out of 5 stars 1,977 4.4 out of 5 stars 1,977 Price 19.9919.