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Model
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UV-ZNH4255
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UV-ZNH4255M
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UV-ZNH4255-E
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UV-ZNH4255M-E
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camera
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Image sensor
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1/1.8-inch progressive scan CMOS
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Minimum illumination
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Color: 0.0001 Lux @ (F1.5, AGC ON); Black and white: 0.0005 Lux @ (F1.5, AGC ON)
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shutter
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1/25 seconds to 1/100,000 seconds; support delay shutter
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aperture
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Piris
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Day/night switch
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ICR cutoff filter
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digital
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16 times
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lens
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focal length
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10.5~577mm, 55x optical zoom
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Aperture range
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F1.5-F5.5
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Horizontal field of view
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42.8-0.8° (Wide angle-Telephoto)
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Minimum working distance
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500mm-7000mm (Wide-angle-Telephoto)
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Zoom speed
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About 9 seconds (optical, wide angle - telephoto)
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Compression standard
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Video compression
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H.265/H.264
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H.265 Type
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Main introduction
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H.264 Type
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Baseline configuration file/main configuration file/high configuration file
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Video bitrate
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32 Kbps ~16Mbps
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Audio compression
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G.711a/G.711u/G.722.1/G.726/MP2L2/AAC/PCM
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Audio bitrate
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64Kbps(G.711)/16Kbps(G.722.1)/16Kbps(G.726)/32-192Kbps(MP2L2)/16-64Kbps(AAC)
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image
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Mainstream
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50Hz: 25 frames per second (2688x1520, 2560x1440, 1920x1080, 1280x960, 1280x720)
60Hz: 30 frames per second (2688x1520, 2560x1440, 1920x1080, 1280x960, 1280x720)
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Sub-flow
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50Hz: 25 frames per second (1280x720, 704x576, 640x480, 352x288)
60Hz: 30 frames per second (1280x720, 704x480, 640x480, 352x240)
UV-ZNH4255H supports 60fps
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Third Story
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50Hz: 25 frames per second (1920x1080, 1280x720, 704x576, 640x480, 352x288)
60Hz: 30 frames per second (1920x1080, 1280x720, 704x480, 640x480, 352x240)
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Image settings
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Saturation, brightness, contrast, and sharpness can be adjusted through the client or browser
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Black
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support
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Exposure mode
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AE/Aperture priority/Shutter priority/Manual exposure
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Focus mode
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Autofocus / Single focus / Manual focus / Semi-autofocus
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Area exposure/focus
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support
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Defog removal
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support
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Stablize
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Electrical safety system
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Electrical safety system
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Gyroscope EIS
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Gyroscope EIS
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Day/night switch
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Automatic, manual, timed, alarm trigger
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3D noise reduction
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support
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Picture overlay switch
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Supports BMP 24-bit image overlay, customizable area
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Areas of interest
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Supports three-channel code streams and four fixed areas
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network
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Storage function
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Supports micro SD/SDHC/SDXC card (256g) offline local storage, NAS (NFS, SMB/CIFS support)
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protocol
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TCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, RTP, RTSP, RTCP, NTP, SMTP, SNMP, IPv6
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Interface protocol
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ONVIF(PROFILE S, PROFILE G)
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interface
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External interface
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36pin FFC (network port, RS485, RS232, SDHC, alarm input/output,
Line input/output, power supply) USB3.0
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Digital interface
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not applicable
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MIPI
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not applicable
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MIPI
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General
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Operating temperature
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-30℃~60℃, humidity ≤95% (no condensation)
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power supply
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DC12V±10%
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Power consumption
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6 watts (maximum 12 watts)
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aspect
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176.6*77.4*82.9
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weight
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1040g
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