Used by a small sub-contractor company that does work for the large aircraft firms in Wichita Kansas. Unit shows scuffing, scratching, staining and overall general use. Does not come with shoulder strap. Needs 8AA Batteries to Operate which ARE NOT Included. Comes with Test Leads and Probe you see in the Photos. Does not come with manual. What you see in the photos IS what comes with this sale. Please see photos as they are also part of the description. Comes from a Non-Smoking & No Pet Environment.