SKU: 18283703401

Dahua IPC-MFW7842K1-Z4-T20 8+2MP Dual-Sight Bullet Camera, 8-32mm F1.6 Zoom + 3.6mm F1.0, Smart Dual Light, 120dB WDR, Built-in Mic & Speaker

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Description

Dahua IPC-MFW7842K1-Z4-T20 8+2MP Dual-Sight Bullet Camera, 8-32mm F1.6 Zoom + 3.6mm F1.0, Smart Dual Light, 120dB WDR, Built-in Mic & SpeakerDahua IPC MFW7842K1 Z4 T20 8+2MP Dual Sight Bullet WizMind Network Camera 832mm 4K Zoom + 3. 6mm Panoramic DualLens, DualChannel 8MP 4K Detail Zoom + 2MP Wide Panoramic Channel 1 (4K Detail Zoom 8MP): 1 1. 7" CMOS, 832mm F1. 6 motorized 4x zoom. Smart dual light: IR up to 100m (328 ft) + warm light up to 60m. Detection range up to 590m (1,936 ft). Channel 2 (Panoramic 2MP): 1 2. 7" CMOS, 3. 6mm F1. 0 fixed lens with 81 horizontal FOV. Warm light up to

Dahua IPC-MFW7842K1-Z4-T20 8+2MP Dual-Sight Bullet WizMind Network Camera – 8‑32mm 4K Zoom + 3.6mm Panoramic

Dual‑Lens, Dual‑Channel – 8MP 4K Detail Zoom + 2MP Wide Panoramic

  • Channel 1 (4K Detail Zoom – 8MP): 1/1.7" CMOS, 8‑32mm F1.6 motorized 4x zoom. Smart dual light: IR up to 100m (328 ft) + warm light up to 60m. Detection range up to 590m (1,936 ft).
  • Channel 2 (Panoramic – 2MP): 1/2.7" CMOS, 3.6mm F1.0 fixed lens with 81° horizontal FOV. Warm light up to 20m (65 ft).
  • Smart Dual Light (IR + Warm LED): 3 illumination modes (IR only, warm light only, mixed) to minimize glare and adapt to different scenes.
  • Built-in Dual Mic & Speaker: Secure two‑way talk and instant sound + light alerts to deter intruders and reduce incidents.
  • 5 AI Functions (Channel 1): Perimeter protection, face recognition (up to 25,000 faces), face detection, people counting, and video metadata.
  • Rich Interfaces: 3 alarm inputs / 2 outputs, 2 audio inputs / 1 output, RS-485, BNC analog output, microSD up to 256GB.
  • Rugged Design: IP67 weatherproof, operating temperature -30°C to +60°C (–22°F to +140°F), metal+plastic casing.

Camera Specification

Image Sensor Channel 1 (Detail): 1/1.7" CMOS
Channel 2 (Panoramic): 1/2.7" CMOS
Max. Resolution Ch1: 3840 × 2160 (8MP 4K)
Ch2: 1920 × 1080 (2MP 1080p)
ROM / RAM Not specified (standard WizMind architecture)
Scanning System Progressive
Electronic Shutter Speed Auto/Manual 1/3 s–1/100,000 s
Min. Illumination Ch1: 0.002 lux @ F1.6 (Color); 0.00035 lux (B/W); 0 lux (illuminator on)
Ch2: 0.002 lux @ F1.0 (Color); 0 lux (illuminator on)
S/N Ratio >56 dB
Illumination Distance / Type Ch1: IR up to 100 m, warm light up to 60 m (2 IR LEDs + 4 mixed IR+warm LEDs)
Ch2: warm light up to 20 m (2 warm LEDs)
3 illumination modes supported

Lens & DORI Optics

Lens Type / Mount Ch1: Motorized vari-focal (Module mount)
Ch2: Fixed-focal (M12 mount)
Focal Length / Aperture Ch1: 8 mm–32 mm (4x zoom) | F1.6
Ch2: 3.6 mm | F1.0
Field of View Ch1: H: 43°–15°, V: 23°–8°, D: 50°–17°
Ch2: H: 81°, V: 43°, D: 95°
Close Focus Distance Ch1: W: 1 m, T: 1.5 m (4.92 ft)
Ch2: 2 m (6.56 ft)
DORI Distance
Channel / Lens Detect Observe Recognize Identify
Ch1 Wide (8mm) 232 m (761 ft) 93 m (305 ft) 46.5 m (153 ft) 23 m (75 ft)
Ch1 Tele (32mm) 590 m (1936 ft) 236 m (774 ft) 118 m (387 ft) 59 m (194 ft)
Ch2 Fixed (3.6mm) 80 m (262 ft) 32 m (105 ft) 16 m (52 ft) 8 m (26 ft)
*DORI standard (EN-62676-4). For intelligent function distances, refer to project design tool.

Elite Intelligence (WizMind)

AI Functions (Channel 1) Perimeter protection, face recognition, face detection, people counting, video metadata. (Channel 2 supports limited AI; refer to manual)
IVS Perimeter Protection Intrusion, tripwire, fast moving (human/vehicle classification), loitering, gathering, parking detection, abandoned/missing object.
Face Recognition 6 attributes (gender, age, glasses, expressions, face mask, beard) + 8 expressions. Supports 5 face databases, up to 25,000 faces.
People Counting Tripwire counting, area counting, queue management, report export (day/month/year). 4 rules configurable.
Video Metadata Motor vehicle attributes (license plate, type, color, logo, seatbelt, smoking, calling), non-motor vehicle attributes, human body attributes, face attributes.
Smart Search Works with Smart NVR for refined intelligent search and event extraction.

Video & Audio Specifications

Video Compression / Smart Codec H.265; H.264; H.264H; H.264B; MJPEG (sub stream) | Smart H.265+ / Smart H.264+
Stream Capability 3 streams per channel (main, sub, third)
Resolution (per channel) Ch1: 8M (3840×2160), 6M, 5M, 4M, 3M, 1080p, 1280×960, 1280×720
Ch2: 1080p (1920×1080), 1280×720, 704×576, 640×480, 352×288
Video Frame Rate Ch1: Main 3840×2160 @ 25/30 fps; Sub 704×576/480 @ 25/30 fps; Third 1920×1080 @ 25/30 fps
Ch2: Main 1920×1080 @ 25/30 fps; Sub 704×576/480 @ 25/30 fps; Third 1920×1080 @ 25/30 fps
Bit Rate Control / Range CBR/VBR | H.264/H.265: 32–8192 kbps
WDR & Image Enhancements 120 dB WDR; BLC; HLC; 3D NR; ROI (4 areas); Defog; EIS; Image Rotation; Privacy Masking (8 areas)
Audio Features Built-in Dual Mic + Built-in Speaker (sound/light alerts)
Audio Compression: PCM; G.711A; G.711Mu; G.726; MPEG2-Layer2; G.722.1; G.729; G.723
External: 2-ch RCA input, 1-ch RCA output

Network, Storage & Cybersecurity

Network Port RJ-45 (10/100/1000 Base-T) Gigabit Ethernet
Network Protocols IPv4; IPv6; HTTP; HTTPS; TCP; UDP; ARP; RTP; RTSP; RTCP; RTMP; SMTP; FTP; SFTP; DHCP; DNS; DDNS; QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; SAMBA; PPPoE; 802.1x; SNMP; Bonjour
Interoperability / Browser ONVIF (Profile S/G/T); CGI | IE9+, Chrome 86+ (with/without plug-in), Firefox 86+
Local Storage Micro SD card (max. 256 GB); FTP; SFTP; NAS
Cybersecurity Configuration encryption; trusted execution; Digest; security logs; WSSE; account lockout; syslog; video encryption; 802.1x; IP/MAC filtering; HTTPS; trusted upgrade/boot; firmware encryption; X.509 certification.
Management Software DSS Pro; DMSS | iOS & Android

Physical I/O Interfaces

RS-485 1 port (1200–115200 bps)
Audio I/O 2-ch RCA input, 1-ch RCA output (in addition to built-in mic & speaker)
Alarm I/O 3 alarm inputs (5 mA 3–5 VDC)
2 alarm outputs (300 mA 12 VDC)
Analog Output 1 channel CVBS (BNC)
Power Output Not specified
Alarm Events Extensive: No SD card, network/IP issues, motion, tampering, tripwire, intrusion, fast moving, abandoned/missing object, loitering, parking, scene changing, audio detection, defocus, face detection/recognition, video metadata, people counting, license plate recognition, etc.

Power, Climate & Protection

Power Supply 12 VDC; PoE (802.3af/at assumed)
Power Consumption Basic: 5.5 W (12 VDC), 6.4 W (PoE)
Max (ICR + zoom + IR full): 19.2 W (12 VDC), 24.6 W (PoE)
Operating Temperature / Humidity –30 °C to +60 °C (–22 °F to +140 °F) | ≤95% RH (non-condensing)
Storage Temperature –40 °C to +70 °C (–40 °F to +158 °F)
Protection Rating IP67 weatherproof

Physical Structure

Casing Material Metal + plastic
Product Dimensions 283.1 mm × 123.2 mm × 109.5 mm (11.14" × 4.85" × 4.31") (L×W×H)
Net Weight / Gross Weight 1,905 g (4.20 lb) / 2,185 g (4.82 lb)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 18283703401

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Lorrie Ray
Carnegie, US
★★★★★ 5
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Format: Kindle
Where the Wildflowers Grow is a tender and beautifully written story about survival, healing, and unexpected love. Leigh has endured unimaginable loss, and her time on the flower farm becomes the pause her spirit needs. I loved this story as my heart ached at Leigh’s journey. Jackson is a beautiful soul who understands the work of healing and helps her feel seen and alive again. The book is filled with learning nuggets and gentle reminders, including my favorite line: “You are more than the sum of your struggles.” A beautiful reminder that something new can bloom after heartbreak.
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Reviewed in the United States on May 15, 2026
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mccarthy
Draper, US
★★★★★ 5
Raw, Real and worth the read!
Format: Kindle
There are very few books that pull you in so deeply that you forget you are reading fiction, but Where the Wildflowers Grow did exactly that for me. The story felt raw, honest, and incredibly human. At times, Leigh’s pain, trauma, and hidden struggles were written with such depth that it felt less like reading about a character and more like walking alongside a real person learning how to survive and heal. What stood out to me most was Jack’s patience and gentleness throughout Leigh’s journey. His ability to love her through the walls she built around herself was both heartbreaking and beautiful. Their relationship wasn’t rushed or unrealistic; it showed the slow, difficult process of trust, healing, and emotional growth in a way that felt authentic. One of my favorite parts of the book was the symbolism surrounding flower gardening and growth. As someone who loves gardening, the euphemisms woven throughout the story connected with me on a much deeper level. The idea that people, much like flowers, need the right environment, care, patience, and time to bloom was beautifully portrayed. Healing was not shown as instant or perfect, but as something tender that requires nurturing through every season. This book left me emotional, reflective, and deeply connected to its message. It is a story about pain, love, patience, and the beauty that can still grow from broken places. I absolutely loved it and will be thinking about it for a long time.
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Reviewed in the United States on May 14, 2026
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Stephen
West Palm Beach, US
★★★★★ 5
Insightful and Anointed
Format: Kindle
I literally had several dreams while reading this book. You will receive an impartation! I absolutely loved Jane’s style of teaching.
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Reviewed in the United States on January 30, 2025
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stephanie paul
Carnegie, US
★★★★★ 5
Amazing to say the least
Format: Kindle
Thank you Dr. Jane Hamon. If you are new to the interpretation of dreams and visions, this is a must read. Dr. Jane Hamon will take through the necessary steps to record, understand and interpret your dreams as to learn your dream language. Enjoy the reading & be blessed.
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Reviewed in the United States on April 19, 2020
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LaVerne D
Bozeman, US
★★★★★ 5
Excellent Book
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This book helps with many things including installing the confidence that God speaks to us in dreams and visions. It also helps us learn to understand what God is saying via practical interpretation skills that develop over time. A very good book.
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Reviewed in the United States on May 17, 2020

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