Precision LED Moisture Meter for the accurate measurement of moisture levels in a wide variety of materials, such as wood, construction materials, furniture, paper and pharmaceutical supplies. High Resolution Multi color LED Bargraph readout 5.5 to 99.9percent moisture range, with 0 to 1VDC output. High Accuracy: plus/minus 1 percent Wood Scale. Protective cap for safe carrying and operation. Comes with a 39 in. (1 meter) long external probe. Auto temperature compensation and calibration adjustment. Auto power off. Additional set of long pins (.9 in./23mm) included. Ergonomic design, comfortable and durable. Easy operation. CE and RoHS approved. Changeable Probes. Audible Alarm when exceeding pre set levels. Audible and visual low battery warning. Can be converted to non invasive measuring by adding an optional external roller probe. Includes: 1 MM70 Meter with .5 in. (12.7mm) pins. 1 MP7021 External Pin Type Probe 39 in. (1 meter) long with .5 in. (12.7mm) pins. Additional Set of Interchangeable Long Pins (.9 in./23mm). Protective Fabric Carrying Case. Users Manual. 1 9V battery.