Specifications include, but are not limited to: Part Number Description 4.0C-H5A-DC1 4.0 MP WDR, LightCatcher, Day/Night, In-Ceiling Dome, 3.3-9mm f/1.3 P-iris lens, Next-Generation Analytics 3.0C-H5SL-D1 3.0 MP, WDR, LightCatcher, Day/Night, Indoor Dome, 3- 9mm f/1.4 3.0C-H5SL-D1-IR 3.0 MP, WDR, LightCatcher, Day/Night, Indoor Dome, 3- 9mm f/1.4, Integrated IR 3.0C-H5SL-DO1-IR 3.0 MP, WDR, LightCatcher, Day/Night, Outdoor Dome, 3.1-8.4mm f/1.6, Integrated IR 2.0C-H5A-D1 2.0 MP (1080p) WDR, LightCatcher, Day/Night, Indoor Dome, 3.3-9mm f/1.3 P-iris lens, Next-Generation Analytics 6.0C-H5A-DC1 6.0 MP WDR, LightCatcher, Day/Night, In-Ceiling Dome, 4.9-8mm f/1.8 P-iris lens, Next-Generation Analytics 12.0-H4F-DO1-IR 12.0 MP, Fisheye Camera, Day/Night, 1.45mm f/2.2, Integrated IR 9C-H4A-3MH-180 3x 3 MP, WDR, LightCatcher, 4mm, Camera Only 15C-H4A-3MH-180 3x 5 MP, WDR, LightCatcher, 4mm, Camera Only 15C-H4A-3MH-270 3x 5 MP, WDR, LightCatcher, 2.8mm, Camera Only