Dahua IPC-HFW2831T-ZAS-S2 IP Security Camera

8MP Lite IR Vari-focal Bullet Network Camera

  • 8MP, 1/2.7″ CMOS image sensor, low illuminance, high image definition
  • Outputs max. 8MP (3840 × 2160) @15 fps, and supports 2688×1520 @25/30 fps
  • H.265 codec, high compression rate, ultra-low bit rate
  • Built-in IR LED, max IR distance: 60 m
  • ROI, SMART H.264/H.265, flexible coding, applicable to various bandwidth and storage environments
  • Rotation mode, WDR, 3D DNR, HLC, BLC, digital watermarking, applicable to various monitoring scenes
  • Intelligent detection: Intrusion, tripwire
  • Abnormality detection: Motion detection, video tampering, no SD card, SD card full, SD card error, network disconnection, IP conflict, illegal ac cess, local alarm, voltage detection,audio abnormal
  • Alarm: 1 in, 1 out; audio: 1 in, 1 out; supports max. 256 GB Micro SD card
  • 12V DC/POE power support
  • IP67 protection.
dahua-hfw2831t-zas-s2

Specifications

Camera
Image Sensor1/2.7” 8Megapixel progressive CMOS
Effective Pixels3840 (H) × 2160 (V)
ROM128 MB
RAM256 MB
Scanning SystemProgressive
Electronic Shutter SpeedAuto/Manual 1/3 s–1/100,000 s
Min. Illumination0.008 Lux@F1.5
IR Distance60 m (196.85 ft)
IR On/Off ControlAuto/Manual
IR LEDs Number4
Pan/Tilt/Rotation RangePan: 0°–360°Tilt: 0°–90°Rotation: 0°–360°
Lens
Lens TypeMotorized vari-focal
Mount Typeφ14
Focal Length2.7 mm–13.5 mm
Max. ApertureF1.5
Field of ViewPan: 113°–31°Tilt: 58°–17°Diagonal: 138°–36°
Iris TypeFixed
Close Focus Distance0.8 m–0.8 m (2.62 ft–2.62 ft)

Dori Distance
LensDetectObserveRecognizeIdentify
W85.3 m(279.9 ft)34.1 m(111.9 ft)17 m(55.8 ft)8.5 m(27.9 ft)
T280 m(918.6 ft)112 m(367.5 ft)56 m(183.7 ft)28 m(91.9 ft)
Smart Event
General IVS AnalyticsTripwire; intrusion
Video
Video CompressionH.265; H.264; H.264B; MJPEG
Smart CodecYes
Video Frame RateMain stream:3840 × 2160 (1 fps–15 fps)2688 × 1520 (1 fps–25/30 fps)Sub stream:704 × 576 (1 fps–25 fps)704 × 480 (1 fps–30 fps)
Stream Capability2 streams
Resolution3840 × 2160 (3840 × 2160); 3072 × 2048 (3072 × 2048); 3072 ×1728 (3072 × 1728); 2592 × 1944 (2592 × 1944); 2688 × 1520 (2688 × 1520); 3M (2048 × 1536); 2304 × 1296 (2304 × 1296); 1080p (1920 × 1080); 1.3M (1280 × 960); 720p (1280 × 720); D1 (704 × 576/704 × 480); VGA (640 × 480); CIF (352 × 288/352 × 240)
Bit Rate ControlCBR/VBR
Video Bit RateH.264: 32 Kbps–8192 KbpsH.265: 12 Kbps–8192 Kbps
Day/NightAuto(ICR)/Color/B/W
BLCYes
HLCYes
WDR120 dB
White BalanceAuto/natural/street lamp/outdoor/manual/regional custom
Gain ControlAuto/Manual
Noise Reduction3D DNR
Motion DetectionOFF/ON (4 areas, rectangular)
Region of Interest(RoI)Yes (4 areas)
Smart IRYes
Image Rotation0°/90°/180°/270° (Supports 90°/270° with 2688 × 1520 resolution and lower.)
MirrorYes
Privacy Masking4 areas
Audio
Audio CompressionG.711a; G.711Mu; G.726; AAC
Network
NetworkRJ-45 (10/100 Base-T)
ProtocolIPv4; IPv6; HTTP; HTTPS; TCP; UDP; ARP; RTP ; RTSP; RTCP; RTMP; SMTP; FTP; SFTP; DHCP; DNS; DDNS; QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; PPPoE; 802.1x; Bonjour
InteroperabilityONVIF(Profile S/Profile G/Profile T); CGI; P2P; Milestone; Genetec
User/Host20
Edge StorageCloud; FTP; SFTP; Micro SD Card (support max. 256 GB); NAS
BrowserIE
Chrome
Firefox
Management SoftwareSmart PSS; DSS; DMSS
Mobile PhoneIOS; Android
Certification
CertificationsCE-LVD: EN60950-1
CE-EMC: Electromagnetic Compatibility Directive 2014/30/EU
FCC: 47 CFR FCC Part 15, Subpart B
UL/CUL: UL60950-1 CAN/CSA C22.2 No.60950-1-07
Port
Audio Input1 channel (RAC port)
Audio Output1 channel (RAC port)
Alarm Input1 channel In: 5mA 5V DC
Alarm Output1 channel Out: 300mA 12V DC
Power
Power Supply12V DC/PoE (802.3af)
Power Consumption< 9.9W
Environment
Operating Conditions–30°C to +60°C (–22°F to +140°F)/less than ≤ 95% RH
Storage Temperature–40°C to +60°C (–40°F to +140°F)
ProtectionIP67
Structure
CasingMetal
Dimensions244.1 mm × Φ90.4 mm (9.61″ × Φ3.26″)
Net Weight0.88 kg (1.9 lb)
Gross Weight1.14 kg (2.5 lb)

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