Pyle PWMMT26 Digital LCD Display Wood Moisture Meter for Wood, Cement and Mortar Effectively Measures Humidity / Moisture Content Levels Easy-to-Use 'Pin-Type' Sensors for Instant, Accurate & Reliable Results LCD Display - Simple Button Operation - Switchable Measurement Units: DegreeF / DegreeC Works with Oak, Cedar, Maple, Ash Woods & More - Can Also Measure Cement Mortar Battery Operated: 2 x 'AAA' Included - Used for Wood, Firewood, Building Materials, Furniture, etc