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Description
Dahua IPC-MFW7842K1-Z7-T20 8+2MP Dual-Sight Bullet Camera, 8-56mm F1.2 7x Zoom, Smart Dual Light, 120dB WDR, Built-in Mic & SpeakerDahua IPC MFW7842K1 Z7 T20 8+2MP Dual Sight Bullet WizMind Network Camera 856mm 7x Zoom + 3. 6mm Panoramic DualLens, DualChannel 8MP 4K Extreme Telephoto + 2MP Wide Panoramic Channel 1 (4K Extreme Zoom 8MP): 1 1. 7" CMOS, 856mm F1. 2 motorized 7x zoom. Smart dual light: IR up to 120m (394 ft) + warm light up to 80m. Detection range up to an industry leading 950m (3,117 ft). Channel 2 (Panoramic 2MP): 1 2. 7" CMOS, 3. 6mm F1. 0 fixed lens with 81
Dahua IPC-MFW7842K1-Z7-T20 8+2MP Dual-Sight Bullet WizMind Network Camera – 8‑56mm 7x Zoom + 3.6mm Panoramic
Dual‑Lens, Dual‑Channel – 8MP 4K Extreme Telephoto + 2MP Wide Panoramic
- Channel 1 (4K Extreme Zoom – 8MP): 1/1.7" CMOS, 8‑56mm F1.2 motorized 7x zoom. Smart dual light: IR up to 120m (394 ft) + warm light up to 80m. Detection range up to an industry-leading 950m (3,117 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: 0.0015 lux @ F1.2 (Color); 0.0003 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 120 m, warm light up to 80 m (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–56 mm (7x zoom) | F1.2 Ch2: 3.6 mm | F1.0 |
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| Field of View |
Ch1: H: 40°–9°, V: 22°–5°, D: 46°–10° Ch2: H: 81°, V: 43°, D: 95° |
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| Close Focus Distance | Ch1: W: 1 m, T: 2 m (6.56 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
4.9 ★★★★★
Based on 347 reviews
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Product Reviews
★★★★★ 5
A TERRIFIC FIND FOR US IN ECUADOR
Size: 5.5 Ounce (Pack of 1)
Here in Ecuador, this product isn't even available to us. I have the most precious 20 month old girl living with us and of course I wanted to get a quality product at less cost. This fits the bill. With an SPF 100 rating from a decades old and trusted manufacturer and a price that is less than one third of what I would have to pay for any sort of water resistant equivalent, this was a no brainer.
If you buy this product, please read the instructions and follow them. It is a spray product that great care should be used to avoid spraying directly on the face--------- either your own or the child's. Spray it on your hand and apply it to any face that needs it. It's convenient for neck, shoulders, backs and legs due to its spray delivery.
Our little 20 month old must be part fish because she loves the thermal pools we take her to and this product seems quite durable
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Reviewed in the United States on June 11, 2024
★★★★★ 5
SPF 100 FTW
Size: 5.5 Ounce (Pack of 1)
I find it very important to have strong sunscreen. Thankfully I found this with 100 SPF. So glad plus I’m happy that I found it in spray because it’s so much easier to apply the kids and then I just have them rub it in. It also makes reapplying so much easier because just start spraying and have them turn around and around that you’re good to go.
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Reviewed in the United States on May 25, 2025
★★★★★ 1
Not eczema skin friendly
Size: 5.5 Ounce (Pack of 1), Size: 5.5 Ounce (Pack of 1)
Since I didn’t remember which sunblock spray I had previously purchased (that was super awesome), I got this one with a few other ‘kid’ sunblock spray and stick. I had grabbed this one for a splash pad birthday party this weekend only to find out it’s messy and not eczema skin friendly. Either we got a defective bottle or it’s just the way it sprays: runny goops of sunscreen that takes awhile to dry properly (see photo). And when it dries it really does stick onto your skin as advertised (aka not breathable, pore clogging, will irritate sensitive/eczema prone skin). My youngest has eczema prone skin (that’s been flare up free for 3 years) had a severe break out on her arms after using this. And even for the sake of photo demonstration for this post my own sensitive skin got red/irritated.
So does it stick-yup. Is it messy? Definitely. Easy to apply? No (your kiddos have to stay put until it dries). Did it provide sun protection? Maybe…? Sensitive skin friendly? No. Eczema skin approved? Definitely not. Recommended? Nope. We threw it away and requested a refund.
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Reviewed in the United States on July 12, 2023
★★★★★ 5
I love it
It does its work. I know many people don't like mineral sunscreens because of the white look on the skin( which it goes away once you rub it right), but I'm telling you, it's the only ingredient that it actually protects you from the UV rays and getting sunburn. The little one it's amazing and my kids love it because it's easy to put on.
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Reviewed in the United States on September 6, 2024
★★★★★ 5
Great children's sunscreen for sensitive skin
I really like this children's sunscreen. The facial stick that comes with it is quite small but it's still very convenient and works well. You do need to rub the facial stick in once it's applied to your child's face. The spray sunscreen also needs to be rubbed in as well because it comes out a little thick but is easy to rub in. There is not really a scent to it so my kids don't mind it being applied. My kids have sensitive skin too and we have had no problems as well. Would highly recommend!
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Reviewed in the United States on October 26, 2023