Underwater Drone With Robotic Arm Claw 360° 4K UHD Camera VR Ultra Wide Angle. (4K HD Video Recording, Time-lapse, Wide Angle Lens, HDR, Smart Controller, Waterproof, Dust-proof). FIFISH V6 With a Fully Powered Robotic Arm a Substantial Upgrade in Battery Capacity: Dive time up to 6 hours. 100N clamping and towing force with clamp lock […]