Flir MR55 is a pin moisture measuring device that can be operated automatically, and it compensates for ambient temperature. It can test accurately through 11 material groups including, timbers, drywall, concrete, plaster, brick, and much more. It has wireless technology and can show reading in the Flir tools mobile app, and has a USB port located in the battery compartment. It can accurately read ambient temperature and humidity, allowing you to detect what can't be felt. The product dimensions are 2.3 x 1.3 x 7.4 inches and weigh 6.4 ounces. Product Specifications: Brand: Flir Model: MR55 Product: Pin Moisture Meter with Bluetooth Weight: 160 grams Dimension: 188x58x33 mm Drop Test: 2 m Item Weight: 6.4 ounces Product Dimensions: 2.3 x 1.3 x 7.4 inches IP Rating: IP 40