Remote controller flex ex2 (Hanover)

I found this remote at the end of my driveway last August or September. I've been told that it's for an overhead crane or possibly a boom truck, block truck or things of that nature. I've been told these things are quite expensive also. I live on River Road just north of Hanover. Also, I think who ever lost this is responsible for hitting my mailbox. There's a lot of new housing going on to south of me trucks and equipment going past my house.