4k action camera sport camera series garmin virb total resolution 12 megapixel effective resolution photo 8 megapixel video 4k 27k full hd hd sd framerate 4k 30 fps framerate 27k 60 fps framerate full hd 120p framerate hd 240 fps framerate sd 300 fps lens type wide angle selectable field of view wide image stabilisation system digital image stabilisation display size 175 inch display type lcd viewfinder live view storage media m