mares diving scuba computer gauge. not tested. i have no idea if or how it works. looks like it is in good shape. heavy. great display. really cool. perfect for any collection. comes with everything shown in pictures. please look at all pictures to get a better idea of item condition. please ask any questions before bidding. from smoke free home. ships in 3-5 business days. if you need the item shipped before 5 days please send me a message after winning bid.