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Description
Dahua IPC-HFW7842H-Z-X 8MP 4K WizMind IR Bullet Camera, 2.7-12mm F1.2, 60fps, 140dB WDRDahua IPC HFW7842H Z X 8MP 4K IR Bullet 2. 7 mm12 mm Motorized Zoom WizMind Network Camera Ultimate Performance Highlights Liquid Smooth 8MP 60fps Video: 4K resolution at 60 fps for exceptional smoothness and forensic detail. Supports 5 independent streams for diverse application needs. 2. 712 mm Motorized Lens with F1. 2 Aperture: Premium P Iris control and ultra bright F1. 2 aperture for superior low light performance. Telephoto detection range up
Dahua IPC-HFW7842H-Z-X 8MP 4K IR Bullet 2.7 mm–12 mm Motorized Zoom WizMind Network Camera
Ultimate Performance Highlights
- Liquid-Smooth 8MP 60fps Video: 4K resolution at 60 fps for exceptional smoothness and forensic detail. Supports 5 independent streams for diverse application needs.
- 2.7–12 mm Motorized Lens with F1.2 Aperture: Premium P-Iris control and ultra-bright F1.2 aperture for superior low-light performance. Telephoto detection range up to 186.6 m (612 ft).
- 140dB True WDR & AI-ISP: Advanced AI-ISP technology dramatically enhances image quality, delivering crystal-clear details even in extreme backlight and ultra-low light conditions.
- Over 10 Built-in AI Functions: Includes ANPR, face recognition (up to 200,000 faces), PPE detection, people counting, heat map, video metadata, AcuPick, and parking space management.
- Privacy Protection & Rich Interfaces: Auto-masks faces or bodies with mosaic. Offers 3 alarm inputs / 2 outputs, 1 audio in/out, RS-485, BNC analog output, and microSD slot (up to 1 TB).
- All-Weather Rugged Design: Built-in heater (-40 °C operation), IP67 weatherproof, IK10 vandal-proof, and optional NEMA 4X anti-corrosion (UL 50E) for harsh environments.
Camera Specification
| Image Sensor | 1/1.8" CMOS |
|---|---|
| Max. Resolution | 3840 (H) × 2160 (V) – 8MP 4K Ultra-HD |
| ROM / RAM | 8 GB / 4 GB (High-performance AI architecture) |
| Scanning System | Progressive |
| Electronic Shutter Speed | Auto/Manual 1/3 s–1/100,000 s |
| Min. Illumination | 0.0006 lux @ F1.2 (Color, 30 IRE) 0.0003 lux @ F1.2 (B/W, 30 IRE) 0 lux (Illuminator on) |
| S/N Ratio | >56 dB |
| Illumination Distance / Type | Up to 60 m (196.85 ft) | 4 IR LEDs with auto on/off control |
| Angle Adjustment | Pan: 0°–360°; Tilt: 0°–90°; Rotation: 0°–360° |
Lens & DORI Optics
| Lens Type / Mount | Motorized vari-focal | φ16 mount | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Focal Length / Aperture | 2.7 mm–12 mm (4.4x optical zoom) | F1.2 Max Aperture | |||||||||||||||
| Iris Control Type | Auto Iris | P-Iris (Precision Iris Control) | |||||||||||||||
| Field of View (H/V/D) | H: 105°–48°; V: 55°–27°; D: 124°–55° | |||||||||||||||
| Close Focus Distance | 1.8 m (5.91 ft) | |||||||||||||||
| DORI Distance |
*DORI standard (EN-62676-4). For intelligent function distances, refer to project design tool.
|
Elite Intelligence (WizMind)
| AI Core & Enhancement | AI-ISP image enhancement; AcuPick deep learning target matching; supports self-learning false alarm filtering. |
|---|---|
| ANPR | License plate, vehicle type, color recognition (up to 60 km/h). Supports 10,000 allowlist & blocklist records. Attributes: seat belt, smoking, calling. |
| PPE Detection | Triggers alarms for helmets, hats, uniforms, masks, gloves, shoe covers, shoes, safety vests, seatbelts. Supports self-learning workwear detection. |
| Face Recognition | General mode (6 attributes/8 expressions) & Counting mode (advanced customer counter). Supports 5 face databases, up to 200,000 pictures. |
| Video Metadata | Motor vehicle, non-motor vehicle, face, human body detection. Extracts license plate, vehicle type, clothing, bags, hats, gender, umbrella, etc. Directional flow statistics. |
| IVS / Perimeter | Intrusion, tripwire, fast moving (human/vehicle/animal classification), loitering, gathering, parking detection. Supports long-distance mode & privacy protection. |
| Advanced Analytics | EPTZ, heat map, people counting (tripwire/area/queue – 4 rules), parking space management, abandoned/missing object detection, and smart search with NVR. |
Video & Audio Specifications
| Video Compression / Smart Codec | H.265; H.264; H.264H; H.264B; MJPEG (sub stream only) | Smart H.265+ & Smart H.264+ |
|---|---|
| Stream Capability & Resolution |
5 streams 8M (3840×2160); 6M; 5M; 4M; 3M; 1080p; 720p; D1; CIF |
| Video Frame Rate |
Default mode: Main stream: 3840×2160 @ (1–25/30 fps) High Frame Rate mode: Main stream: 3840×2160 @ (1–50/60 fps) Sub/Third/Fourth: 1920×1080 @ (1–25/30 fps); Fifth: 704×576/480 @ (1–25/30 fps) |
| Bit Rate Control / Range | CBR/VBR | H.264: 32–16384 kbps; H.265: 12–12800 kbps |
| WDR & Image Enhancements | 140 dB True WDR; Scene Self-adaptation (SSA); BLC; HLC; 3D NR; ROI (4 areas); Defog; Mirror; LDC; EIS |
| Day/Night / White Balance | Auto(ICR)/Color/B/W; Auto/natural/street lamp/outdoor/manual/regional custom |
| Audio Compression & I/O | G.711a; G.711Mu; PCM; G.726; G.723 | 1-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; TCP; UDP; ARP; RTP; RTSP; RTCP; RTMP; SMTP; FTP; SFTP; DHCP; DNS; DDNS; QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; SAMBA; PPPoE; SNMP; P2P; Auto Register |
| Interoperability / Browser | ONVIF (Profile S/G/T/M); CGI | IE11+, Chrome 88+, Firefox 47+ |
| Local Storage | Micro SD card (supports max. 1 TB); FTP; SFTP; NAS |
| Cybersecurity | Trusted execution, trusted boot/upgrade, Digest, WSSE, account lockout, security logs, 802.1x, IP/MAC filtering, HTTPS, X.509 certification. |
| Management Software | SmartPSS Lite; DSS; DMSS | iOS & Android mobile clients |
Physical I/O Interfaces
| RS-485 | 1 port (baud rate: 1200–115200 bps) |
|---|---|
| Audio I/O | 1 channel RCA input / 1 channel RCA output |
| Alarm I/O | 3 alarm inputs (wet contact, 5 mA 3–5 VDC) 2 alarm outputs (dry contact, 1000 mA 30 VDC / 500 mA 50 VAC) |
| Analog Output | 1 channel CVBS output (BNC connector) |
| Power Output | 12 VDC power output, max 165 mA (peak 700 mA) |
| Alarm Events | Full list: No SD card, network disconnection, motion, tampering, tripwire, intrusion, fast moving, abandoned/missing object, loitering, gathering, parking, audio detection, defocus, face detection/recognition, ANPR, people counting, PPE, security exception, etc. |
Power, Climate & Protection
| Power Supply | 12 VDC (±30%), 24 VAC (±30%), PoE+ (802.3at), ePoE supported |
|---|---|
| Built-in Heater | Integrated heating: 3 W (12 VDC), 4.6 W (24 VAC), 5.47 W (PoE) for auto snow/frost/mist clearing |
| Power Consumption | Basic: 7.3 W (12 VDC), 10.2 W (24 VAC), 10.6 W (PoE) Max (ICR+IR full): 18.2 W (12 VDC), 24.2 W (24 VAC), 24.3 W (PoE) |
| Operating Temperature / Humidity | –40 °C to +65 °C (–40 °F to +149 °F) | ≤95% RH (non-condensing) |
| Protection Ratings | IP67 weatherproof, IK10 vandal-proof |
| Anti-Corrosion (Optional) | Moderate Protection (ATC model only): High-grade anti-corrosion for coastal (≥2 km) and acid rain areas. Optional UL 50E NEMA Type 4X certification. |
Physical Structure
| Casing Material | Metal + plastic |
|---|---|
| Product Dimensions | 345.6 mm × 134.2 mm × 135.1 mm (13.61" × 5.28" × 5.32") (L×W×H) |
| Net Weight / Gross Weight | 1.65 kg (3.64 lb) / 2.73 kg (6.02 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
4.8 ★★★★★
Based on 13 reviews
Sort
Product Reviews
★★★★★ 5
Love them
Color: Pink & Beige, Size: Medium/Large(fits size 8 to 11)
I wear a size 11.5 in ladies shoe and these just barely fit. Butttt after I put lotion on my feet and slipped these on and left them on for about 30 mins. It left my feet really soft! They work great as intended. Would buy again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 31, 2026
★★★★★ 3
Effective but may be uncomfortable
Color: Pink & Beige, Size: Medium/Large(fits size 8 to 11)
I have eczema on my feet and use a prescription cream that I leave on overnight. I often have a problem sleeping in socks but the silicone feels cool on my feet. The only drawback I have is the opening of the socks feel very tight around my ankles making them uncomfortable on me. I wish the opening was a bit more flexible.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 20, 2025
★★★★★ 1
Burned my already sensitive feet, too big
Color: Pink & Beige, Size: Medium/Large(fits size 8 to 11)
Feels icky, and the heat gets trapped and literally felt like my feet were being burned by these. The bottoms of these feel prickly and they are way too big. You have to sit still and cannot walk in them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
★★★★★ 5
Just as good as paraffin wax
Color: Pink & Beige, Size: Medium/Large(fits size 8 to 11)
I might prefer these socks over paraffin wax. They are comfy and very moisturizing. I use these socks once a week to keep the heels and soles of my feet moisturized between pedicures. I rinse with warm, soapy water then hang to dry. They are hard to walk in, but there's a saying printed in the socks that's says something to the effect of "take a break, stay off your feet" lol I love that as a reminder to put my feet up and relax
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
★★★★★ 5
Love these!
Color: Pink & Beige, Size: Small(fits up to size 7)
Love these! As I write this review, I’m sitting in my recliner with these on. I have had other silicone socks in the past and would like to share a few of the things that I have learned.
These fit great! The others were 2-3 sizes too big because you could not order a size. I wear a size 7 women’s shoe. I got the smaller size. I walked around my apartment in my old ones and they got kinda yucky. Now, I sit in my recliner, put them on and chill for a few hours. I now take them off and put in a ziplock bag so they stay nice and clean (no cat hair!). I use them once a week usually on Saturday or Sunday as I’m a working girl. Also, I use Auqaphor before I put them on and put cotton socks on after I’m finished. Your feet will be SO soft. This is not a one and done…I do this every week especially during sandal season! I know this was lengthy and I hope you got some tips.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
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