The unit works and overall it's in good shape. It's got some minor scuffs. When its off You can see when you turn the screen to the side you can see the scuffs..them the ligh. T, but when it's on   you don't see them. My only concern about the unit is the little rubber cover. I have it shown in the last photo, I'm not sure how waterproof this thing would be if you need something to be a 100% waterproof I'd probably pass on this, but I don't know much about it and I don't want to put it in the water to test. It uses 2 AA batteries.They recommend duracell or I'm sure Energizer would work.I have them in the photos.You can see how they are supposed to be oriented.The batteries are not included