The Dahua HAC-B1A21 is a 2 MP Full HD fixed-focal bullet camera designed for reliable day/night surveillance. With 1080p resolution, built-in IR night vision up to 30 m, and support for CVI, AHD, TVI and CVBS video formats, it delivers clear video in a variety of systems. The camera features a weather-resistant housing and flexible angle adjustment, making it ideal for homes, offices, and small-to-medium outdoor installations.