Network camera - Helps achieve high-quality video results Up to 3840 x 2160 resolution for surveillance in real-time Features RGB CMOS sensor Provides night vision of objects at a distance of up to 49.21 ft 4K recording format for stunning, vivid video results with maximum efficiency Infrared night vision type efficiently detects infrared waves that are invisible to the naked eye Fixed camera iris is ideal for indoor video surveillance where light levels are constant and unchanged 8.10 mm maximum focal length with sharp output to help identify and locate the object with added efficiency f/1.9 maximum aperture for better light absorption and dependable, better-quality results 2.5x optical zoom ensures maximum surveillance productivity without compromising quality