2.8 X 3.0 Viewfinder Extender V1. Through the LCD screen, the picture is magnified 2.8 times. 180° viewing angle, suitable for right or left eye use. Magnetic bracket allows easy installation and removal without any damage. For Canon 5D Mark II / 7D / 500D / 450D / 40D / 50D / 1DS MARK III; Nikon D90 / D300 / D700 / D3 / D3X. Specifications: Mode: V1 Viewfinder Material: Plastic & soft leather & optical glass Magnification: 2.8X Package List: 1 * LCD Viewfinder 1 * Magnetic LCD Screen Mountteries or external 8V/5A direct current power supply Item size: 260 * 188 * 40mm/ 10.2 * 7.4 * 1.6in Item weight: 790g/ 1.74Lb (not including accessories) Compatibility: Almost all the SLR cameras camcorders,like Canon Nikon Pentax Olympus Samsung Panasonic JVC and so on. Except Sony & Minolta (It needs hot shoe adapter to use the LED light) Package list: 1 * YN-600 pro LED video light 1 * Remote control 1 * Hand grip 2 * Filters (White and Orange) 1 * Power adapter 1 * ManualUnbranded/Generic