HIKVISION DS-2TD8166-180ZE2F Thermal & Optical Bi-spectrum Network Stable PTZ Camera Smart Function (Thermal Imaging) . Leading image processing technology: Adaptive AGC, DDE, 3D DNR, NETD < 40mk (0.05° C/32.09°F) . Smart tracking: Panorama tracking, Event tracking and Multi-scene patrol tracking . Smart tracking linkage: thermal view and optical view . Powerful behavior analysis algorithm: Line crossing, Intrusion, Region Entrance & Exit . Reliable temperature exception alarm function . Advanced fire detection algorithm Thermal Imaging Module Function . 640*512 resolution, high sensitivity sensor, support contrast adjustment . Support shutter adjustment in various modes . 3D DNR, 15 palettes of color adjustable, image detail enhancement