https://www.bit-cctv.com/products/ptz-camera/ Ultra-low-light cameras are hot spot products in the surveillance industry that have been launched in recent years with the development of semiconductor technology. It has been widely used in the fields of finance, cultural museums, hotels, office buildings, and property management in residential quarters. Since traditional cameras cannot meet the demand for continuous 24-hour surveillance (because it is impossible to turn on the lights 24 hours in any location), new technology-based ultra-low-light cameras have seized this opportunity and developed rapidly.