Features: 4 modes to switch accroding to the wood, which makes measure more accurate. Large LCD screen and hold button easy to get the results. Energy saving, auto power off in 15 minutes without any operation, low battery indication. Simple use with just one touch operation. Lightweight and compact meter allows you to do the measurement at ease. Note: 1. Cover the pins with protective cap when not in use, keep away from child and be careful when measuring. 2. Store the instrument in a stable, dust-free environment out of sunlight when not in use. Specifications: Material: ABS Color: Grey Measurement Principle: electrical resistance Range: 0%~99.9%RH Accuracy: ±0.5%RH Resolution: 0.1% Pin Length: 10mm Power Supply: 1 * 9V 6F22 battery Auto Power Off: 15 minutes Item Size: 6.5 * 3.1 * 14.5cm / 2.56 * 1.22 * 5.71in Item Weight: 96.7g / 3.4oz Package Size: 15.0 * 8.0 * 3.8cm / 5.91 * 3.15 * 1.50in Package Weight: 157g / 5.54oz Package List: 1 * Moisture Meter 1 * 9V 6F22 Battery 1 * User Manual (English)