V3 2.8X Magnifier Extender LCD Screen Viewfinder for Canon 600D 6DFeatures1) Dynamic viewfinder (video capture) is more stable， more convenient， more accurate， your digital camera will quickly escalated into a portable video camera;2) outdoors in bright sunlight can be more clearly observed LCD display;3) Specially designed zoom function， the LCD screen can be enlarged 2.8 times;4) Professional optical lens coating5) Easy installation， anti-dust gray;6) 180 degrees viewing angle， easy to use;7) use of magnetic materials for quick installation and removal， no wear and tear;8) does not affect the installation and use of other accessories.SIZE:Internal dimensions: Width 67x height 45mm/26.3X17.7 inchExternal dimensions: Width 76x height 57mm/29.9X24.4 inch 3"(3:2)Fit for:Canon 600D、6DWhat is in the box?1x V3 LCD Viewfinder