?With DarkFighter Technology? Hik 4MP bullet ip camera adopt to DarkFigher technology, featuring a larger sensor and a larger aperature than ever before, the camera with DarkFigher technology ebable unparalleled brightness and vivid color, along with amazingly sharp, clear image in low light condition, IR supplement light night vision range is up to 164ft away. if you have any issuses, if you have any issues, please don't hesitate to contact us, we'll give you a perfect solution. ?140 dB WDR & H.265+ Video Compression? Hik 4MP ANPR bullet poe ip camera can realize clear imaging against strong back light due to 140dB WDR technology. the ip camera adopt to H.265+ compression technology, which can efficiently save storage space up to 75% than H.264. built-in memory card slot, support microSD/microSDHC/microSDXC card, up to 1TB card(NOT INCLUDED), support iVMS-4200,Hik-Connect,Hik-Central. compatible with HIK NVR. ?Parking Management Function? Hik license plate recognition network camera with embedded deep learning algorithms, the camera can achieve parking space status detection and vacant parking space alarm for parking management. both distant view mode and close view mode are supported. for the close view mode, the camera can also achieve license plate recognition. ?Road Traffic and Vehicle Detection?Hik 4MP license plate recognition ip camera embedded deep learning based license plate capture and recognition algorithms, the camera alone can achieve plate capture and recognition. the algorithm enjoys the high recognition accuracy of common plates and complex-structured plates, which is a great step forward comparing to traditional algorithms. blocklist and allowlist are available for plate categorization and separate alarm triggering. ?4MP HD Resolution? Hik 4MP license plate recognition poe ip camera possess high quality imaging with 4MP resolution, equipped with 1/1.8" Progressive Scan CMOS image sensor, max resolution is 2688x1520, min illumination is Color: 0.0005 Lux @ (F1.2, AGC ON);B/W: 0.0001 Lux @ (F1.2, AGC ON), 0 Lux with IR. 2.8 to 12mm focal length, horizontal FOV: 114.5° to 41.8°, vertial FOV: 59.3° to 23.6°, diagonal FOV: 141.1° to 48°. F1.2 to F2.5 aperture.