Hikvision DS-2TD2466-25Y/50Y Anti-corrosion Thermal Network Bullet Camera is applied to perimeter defense and fire-prevention purposes in critical infrastructures such as: airport, railway, prison, power station, 4S stores, and so on. With the vanadium oxide uncooled focal plane sensor, it enhances the thermal image quality. It adopts 316L stainless steel material to meet the requirements of used in anti-corrosion environment.Smart Function (Thermal Imaging) Leading image processing technology: Adaptive AGC, DDE, 3D DNR, NETD 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 25mm, and 50mm Lens are optional