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)