If you buy a used GoPro, know that they don't test if it's waterproof. I bought one in "Like New" condition, which would lead me to assume it is waterproof as the camera should be. It broke the first time I put it in water. After much communication with MPB, they let me know they have "no facilities to test in water." I guess they don't have a bathroom at their location. Water damage isn't covered in their free 6 month warranty so I paid $284 for nothing and lost all photos on a once-in-a-lifetime trip. Deceptive communication and the woman who communicated with me was not nice. I would never buy from this company again.