SeaLife ReefMaster RM-4KReefMaster RM 4K The SeaLife RM 4K features brilliant 14mp still images and vivid 4K video in a incredibly small package thats easy to hold and use alone or with attached lights like the SeaLife Sea Dragon. The ultra compact removable inner camera and a robust external housing that mounts easily to a light tray. The easy, 4 button control system makes catching the action an effortless process. The ReefMaster offers WiFi sharing ability, so you can