The Hikvision DS-2TD2628T-3/QA Thermal y Optical Bi-Spectrum Network Bullet Camera is equipped with highly sensitive thermal and optical sensors and a graphical processing unit to run the video content analysis (VCA) algorithms developed by Hikvision's deep learning technology. It sports a 3.6mm thermal lens and 4.3mm optical lens. This camera series features a fire detection algorithm that can be used for the protection of sensitive areas.