The Sewell BNC to VGA Converter is a straight forward way to connect your CCTV Camera and equipment to a computer monitor. No more need for expensive BNC monitors; Any VGA monitors can serve as a display for your video system. Convert composite video to VGA 1.Easy Installation 2.PAL/NTSC auto-detection 3.VGA Output resolutions supported(800 x 768 1024 x 768 or 1280 x 1024) 4.Image-freezing function keep a frame for further inspection Feature: Pure hardware design just plug & play no software or driver Supports composite video(BNC) When input BNC VGA default output 1024 x 768@75Hz alternative: 1280 x 1024@60Hz 1024 x 768@60Hz 800 x 600@75Hz