SeaLife ReefMaster RM-4K UW CameraExperience unparalleled ease of use with the ReefMaster RM 4K, featuring a pocket sized design with a 14 megapixel Panasonic? CMOS image sensor and ultra high definition 4K video. The compact, portable design ensures you can take the ReefMaster anywhere. Capture brilliant 4K video with a built in Fisheye Lens that allows you to closely approach your subject while still keeping everything in the picture. And with SeaLife? s know how in underwater