The ProGrip is a feature packed GoPro grip ready to take on your next adventure. The ProGrip floats your camera and provides waterproof storage for up to 2 GoPro batteries. Also featured is the expandable top section which ejects off the base providing you with an addition ultra-compact grip option. This top section also works with the GoPro Remote control. Simply take the Remote Placeholder out, and pop your GoPro Remote in for sleek streamlined control of your GoPro. The ProGrip features a very comfortable yet durable rubber grip which provides grip especially well in wet environments. ProGrip is also compatible with the PolarPro Strap Mount (sold separately) allowing you to mount the ProGrip to any Scuba BCD, Backpack, Strap, Lifejacket, etc.