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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) |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Focal Length / Aperture | Ch1: 8 mm–32 mm (4x zoom) | F1.6 Ch2: 3.6 mm | F1.0 |
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| Field of View |
Ch1: H: 43°–15°, V: 23°–8°, D: 50°–17° Ch2: H: 81°, V: 43°, D: 95° |
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| Close Focus Distance | Ch1: W: 1 m, T: 1.5 m (4.92 ft) Ch2: 2 m (6.56 ft) |
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| DORI Distance |
*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:
- 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
4.0 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Cat loves this
Color: A1-Red
This toy is great for keeping pets entertained. The ball moves quickly and the tail makes it even more fun for cats to chase. It’s rechargeable and easy to use, and my pet stayed interested much longer than with regular toys.
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Reviewed in the United States on March 15, 2026
★★★★★ 5
Really cool cat toy for even the most picky cat!
Color: A1-Red, Color: A1-Red
I love it, wow. Our cat is picky with toys, but even he was intrigued by it. It really kept his attention, which is hard to do. It comes with three modes: fast, slow, and interactive. The only thing is that hair can get all trapped up in it because it's a wheel, so keep your house clean I guess lol. The tail also came off once, so you gotta snuggly get it on up there. Really cool cat toy though, I'm happy I got it lol
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Reviewed in the United States on February 23, 2026
★★★★★ 1
Not worth the money
Color: A1-Red
My small Chihuahua loved this toy. It kept him entertained until it would stop working. He only gets about 10 minutes of play and it's no longer charged to use. I even bought a second one thinking the first one might have been just bad luck, but nope, the same problem. It seems most of these interactive toys are only given 2 to 3 stars. I'm disappointed but more importantly, my pup is even more.
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Terrific product
Color: A1-Red
I adopted a 2 year old cat - she’s not much for a lot of the toys I have purchased for her, until this one! At first she seemed very cautious with it - but still followed it around - once I slowed it down (a few different options) she loves to play with it! Great purchase very pleased with it
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Reviewed in the United States on March 6, 2026
★★★★★ 5
Fun & Fast moving toy for my cats!
Color: A1-Red
This is such a fun little toy to keep my cats entertained. They were definitely weary about it for the first few days, but started to get used to it and play with it after a bit. I wish there was an even slower option because the slow option is still pretty fast, but at least it gets them up and moving. They will even play with the tail part when it's not turned on. Like others have said, it does collect hair pretty easily, but it's very easy to clean off. I don't have any dogs, but I could see smaller dogs loving this as well!
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Reviewed in the United States on March 6, 2026