The Hikvision HiWatch HWI-D640HA-LZU is a robust outdoor dome IP camera with 4 MP resolution, varifocal motor lens and dual light/Smart Hybrid Light lighting. This camera is designed for continuous surveillance, with good low-light performance, protection against weather and vandalism, plus smart detection features.
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Resolution: 4 megapixel (2560 × 1440)
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Image sensor: 1/3″ progressive scan CMOS
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Minimum illumination: color 0.005 Lux (F1.6, AGC on); black/white: 0 Lux with IR lighting on
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Lens: varifocal motorized lens 2.8-12 mm
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Angle of view (Field of View): horizontal approx. 96.7° to 29.7°; vertical approx. 51.7° to 16.7°; diagonal approx. 114.3° to 34° depending on lens position
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Night lighting / lighting in poor light: Smart Hybrid Light with IR and white light, range up to approx. 30 meters
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Wide Dynamic Range (WDR): 120 dB, for better contrast in backlight and changing lighting conditions
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Video compression & streams: supports H.265+, H.265, H.264+, H.264 (also MJPEG on substreams); multiple image streams (main & sub) with different frame rates depending on resolution
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Detection features: Motion Detection 2.0 with people and vehicle classification, privacy masks, region of interest (ROI) for the main stream
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Audio: built-in microphone for sound recording/monitoring
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Storage: microSD card slot up to approx. 512 GB of local memory possible
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Housing & protection: IP67 (water & dustproof), IK08 (vandalism resistant)
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Power options: 12 V DC or via PoE (IEEE 802.3af)
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Temperature range: operates between approximately -30°C and +60°C; suitable for outdoor use in various weather conditions
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Dimensions & weight: diameter ~121.5 mm, height ~97.6 mm; weight approx. 540 g net, approx. 740 g including packaging
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Image sensor & resolution – 1/3" Progressive Scan CMOS; maximum 4 MP (2560 × 1440)
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Minimal lighting – Color: 0.005 Lux (F1.6, AGC on); Black/white: 0 Lux with IR lighting on
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Lens / Optics – Varifocal motor lens 2.8-12 mm; fixed iris; F1.6
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Field of view (FOV) – H: 96.7° → 29.7° V: 51.7° → 16.7° D: 114.3° → 34°
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Lighting / Night function – Smart Hybrid Light (IR + white light) up to 30 m; day/night with IR cut filter
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WDR / Image Enhancement – 120 dB true WDR, BLC, HLC, 3D-DNR; adjustable image parameters
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Video streams / compression –
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Main stream: 4 MP @ 20 fps, 1080p/720p higher fps possible
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Sub-streams: 720P, VGA, Q720P, among others
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Compression: H.265+, H.265, H.264+, H.264, MJPEG
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Bit rate: CBR / VBR
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Audio – Built-in microphone; compression formats: G.711, G.722.1, G.726, PCM, AAC-LC
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Detection / Intelligence – Motion Detection 2.0 (human/vehicle), privacy masks (4), Region of Interest (ROI)
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Storage – MicroSD/SDHC/SDXC up to 512 GB
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Network / Interface – RJ-45 10/100 Mbps; protocols: TCP/IP, HTTP, RTSP, IPv6, ONVIF (S/G/T), SDK, ISAPI; up to 32 users; max. 6 live streams simultaneously
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Power / Power – 12 VDC ±25% or PoE (802.3af); consumption approx. 9.6 W (12 V) / 12 W (PoE)
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Housing / Protection – IP67 dust & waterproof; IK08 vandalism-resistant; metal base, plastic shade
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Temperature & environment – Working temperature: -30 °C to +60 °C; humidity ≤95% (non-condensing)
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Dimensions & weight – Ø 121.5 mm × 97.6 mm; net 540 g, gross 740 g
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Mechanical adjustability – 3-axis: Pan 0°-355°, Tilt 0°-70°, Rotation 0°-355°
