WELCOME TO THE WORLD OF POWERRAY" BY POWERVISION - YouTube
Amazon.com : PowerVision Powerray Wizard Underwater Drone for Exploration, Diving, and Boating - High Definition Camera, Equipped with 4K Ultra HD Video Camera, Remote Control, and Live Stream Capability : Electronics
PowerVision PowerRay review: PowerVision's underwater drone PowerRay is super easy to pilot - CNET