TrollPro3 expands the versatility of your waterproof video camera even further to produce stunning, professional quality, underwater video recording of your trolling spread and fishing action. This latest model is designed to support the entire line of GoPro HD Hero, HD Hero2, HD Hero3, HD Hero 3+, and the new HD Hero4 and Sessions cameras (not included). Re-tooled to provide an easy fit and operation of the GoPro HD Hero4 and all previous models, this TrollPro3 will support them all! (Camera is not included)