Sony RMLVR2 Live View Remote for Action Cam (Black) View and control up to 5 Action Cams via Wi-Fi, Frame your shot, change settings, start/stop record and even review your video all on your wrist Rugged watch mounts on wrist and is waterproof and dustproof, Large start/stop button for easy operation Compatible with other Sony cameras and camcorders with Wi-Fi, Enjoy (aprox) 240 mins of continuous operating time