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Description
Dahua SD8X842FA-HNF 8MP 42x Starlight Laser Network PTZ CameraDahua SD8X842FA HNF 8MP 42x Starlight Laser PTZ Camera 600m Laser, Gyro EIS, Smart Wiper Key Performance Highlights Ultimate Long Range Night Vision & AI 42 Optical Zoom & Triple Light Fusion: 6252 mm motorized zoom lens with 600 m laser + 120 m IR + 50 m warm light unbeatable all weather visibility from wide to ultra tele. Smart Pan Tilt Correction & Gyro EIS: Achieves 0. 05 positioning accuracy for long term reliability; built in gyroscope ensures
Dahua SD8X842FA-HNF 8MP 42x Starlight Laser PTZ Camera – 600m Laser, Gyro EIS, Smart Wiper
Key Performance Highlights – Ultimate Long-Range Night Vision & AI
- 42× Optical Zoom & Triple-Light Fusion: 6–252 mm motorized zoom lens with 600 m laser + 120 m IR + 50 m warm light – unbeatable all-weather visibility from wide to ultra-tele.
- Smart Pan-Tilt Correction & Gyro EIS: Achieves 0.05° positioning accuracy for long-term reliability; built-in gyroscope ensures stable video even under vibration.
- Starlight Ultra-Low Light & WDR: 1/1.8" CMOS, 0.0005 lux B/W, 120dB True WDR, optical defog – crystal clear imaging in extreme low light and backlight.
- Xinghan Large-Scale AI Models: Enhanced target detection and imaging. Supports video metadata (10 vehicle attributes, 8 non-motor, 6 face, 8 body), face recognition (up to 10,000 faces, 6 attributes/8 expressions), AcuPick for rapid target search.
- Privacy Protection with Mosaic: Real-time auto-masking of detected faces or human bodies using mosaic for privacy compliance in public scenes.
- Rugged & Smart Maintenance: IP67/IK10, TVS 6000V surge protection, smart wiper for automatic lens cleaning, operating temperature –40°C to +70°C.
- Extreme DORI Distance: Tele end detect range up to 5,040 m (16,535 ft) – industry-leading long-range identification.
Camera Specification
| Image Sensor | 1/1.8" CMOS |
|---|---|
| Max. Resolution | 8MP – 3840 (H) × 2160 (V) |
| ROM / RAM | 8 GB / 4 GB |
| Electronic Shutter Speed | 1/1 s – 1/100,000 s |
| Scanning System | Progressive |
| Min. Illumination | 0.005 [email protected] (Color); 0.0005 [email protected] (B/W); 0 lux (illuminator on) |
| S/N Ratio | ≥ 55 dB |
| Illumination Distance & Type |
Triple-Light: Laser 600 m (1968.50 ft) + IR 120 m (393.70 ft) + Warm light 50 m (164.04 ft) Illuminator count: 8 Laser + 4 IR + 1 Warm light |
| Illuminator Control | Zoom Prio; Manual; Auto; Off |
| Wiper | Smart wiper (automatic lens cleaning) |
Lens & DORI Optics (42× Optical Zoom)
| Focal Length / Aperture | 6.0 mm – 252 mm (42× zoom) | F1.4–F4.8 | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Field of View | H: 66.1°–2.2°; V: 39.0°–1.3°; D: 74.1°–2.5° | |||||||||||||||
| Focus Control / Iris Control | Auto; Semi-auto; Manual | Auto/Manual/Iris Prio | |||||||||||||||
| Close Focus Distance | 0.5 m – 2 m (1.64 ft – 6.56 ft) | |||||||||||||||
| DORI Distance (EN-62676-4) |
|
Elite Intelligence (Xinghan Large-Scale AI Models)
| Video Metadata | Motor vehicle (10 attributes), non-motor vehicle (8 attributes), face (6 attributes), human body (8 attributes). Supports snapshot optimization and high-quality face upload. |
|---|---|
| IVS Perimeter Protection | Tripwire, intrusion, crossing fence, loitering, abandoned/missing object, fast moving, parking detection, people gathering, human/vehicle classification, cascaded metadata, linkage tracking, privacy protection. |
| Face Recognition | 5 face databases (up to 10,000 faces), 6 attributes + 8 expressions, face cutout as one-inch photo, batch import, similarity threshold setting. |
| Smart Tracking | WizTracking – automatic tracking of moving targets. |
| AcuPick | Deep learning with backend devices for accurate target matching (people/vehicles) and fast search through live/recorded video. |
| Privacy Protection | Real-time mosaic masking – automatically blocks detected human faces or bodies in public scenes to protect privacy. |
Video & Audio Specifications
| Compression / Smart Codec | Smart H.265+; H.265; Smart H.264+; H.264; H.264B; H.264H; MJPEG (sub stream 1 only) |
|---|---|
| Streaming Capability | 3 streams |
| Resolution Options | 8M (3840×2160), 4M, 3M, 1080p, 1.3M, 720p, D1, VGA, CIF |
| Video Frame Rate | Main stream: 8M/4M/1080p/1.3M/720p @ 1–25/30 fps; Sub stream 1: D1/VGA/CIF @ 1–25/30 fps; Sub stream 2: 1080p/1.3M/720p/CIF @ 1–25/30 fps |
| Bit Rate Control / Bit Rate | VBR/CBR. H.264: 128–16384 kbps; H.265: 51–11776 kbps |
| WDR / Image Enhancements | 120 dB True WDR, BLC, HLC, 2D/3D NR, ROI, Optical Defog, Gyroscope EIS, Digital Zoom (16×), Image Rotation 180° |
| Privacy Masking | Up to 24 areas (max 8 in same view), selectable color block or mosaic |
| Audio Compression | PCM; G.711a; G.711Mu; G.726; AAC; MPEG2-Layer2; G722.1; G729; G723 |
PTZ & Mechanical Specifications
| Pan/Tilt Range | Pan: 0°–360° endless, smart pan-tilt correction; Tilt: –20°–+90°, auto flip 180°, smart pan-tilt correction (0.05° accuracy) |
|---|---|
| Manual Control Speed | Pan: 0.1–240°/s; Tilt: 0.1–100°/s |
| Preset Speed | Pan: 240°/s; Tilt: 100°/s |
| Preset / Tour / Pattern / Scan | 300 presets, 8 tours (32 presets each), 5 patterns, 5 scans |
| Idle Motion / Power-off Memory | Preset/Pattern/Tour/Scan; Yes |
| PTZ Protocol | DH-SD; Pelco-P/D (auto recognition) |
Network, Storage & Cybersecurity
| Network Port | RJ-45 (10/100 Base-T) |
|---|---|
| Network Protocols | HTTP; HTTPS; TCP/IP; IPv4; IPv6; RTSP; UDP; SMTP; NTP; DHCP; DNS; DDNS; 802.1x; SSL; QoS; FTP; UPnP; SNMP; PPPoE; RTMP; Bonjour; NFS |
| Interoperability | ONVIF (Profile S/G/T); CGI; SDK |
| Local Storage | Micro SD card (max 512 GB); FTP; NAS |
| User/Host / Bandwidth | 20 users (total bandwidth 64 Mbps) |
| Cybersecurity | WSSE, account lockout, HTTPS, IP/MAC filtering, security logs, trusted upgrade/boot |
| Management Software / Browser | DMSS; NVR; DSS Pro; IE9+, Chrome 41+, Firefox 50+, Safari 10+ |
I/O Interfaces & Alarm
| Analog Output | 1 channel CVBS (BNC) |
|---|---|
| RS-485 | 1 (baud rate 1200–9600 bps) |
| Audio I/O | 1 audio input (LINE IN, bare wire) + 1 audio output (LINE OUT, bare wire) |
| Alarm I/O | 7 inputs (0–5 VDC) + 2 outputs (dry contact) |
| Alarm Linkage / Events | Capture, preset, tour, pattern, recording, alarm output, email, audio; events include motion/tampering, audio detection, network/IP conflict, SD card status, etc. |
Power, Environment & Protection
| Power Supply | 36 VDC; 2.23 A (±25%) OR PoE (802.3bt) |
|---|---|
| Power Consumption | Basic: 17 W; Max (illuminator + PTZ + wiper): 41 W |
| Operating Temperature / Humidity | –40 °C to +70 °C (–40 °F to +158 °F) | ≤95% RH |
| Protection Ratings | IP67 (weatherproof), IK10 (vandal resistant), TVS 6000V lightning/surge/voltage transient protection |
| Anti-corrosion Level | Basic Protection – designed for general use without specific anti-corrosion requirements |
| Certifications | CE: EN55035, EN IEC61000-3-2, EN55032, EN60950, EN62368-1 |
Physical Structure
| Casing Material | Metal + plastic |
|---|---|
| Product Dimensions | 262 mm × 262 mm × 442 mm (10.31" × 10.31" × 17.40") (L×W×H) |
| Net Weight / Gross Weight | 10.38 kg (22.88 lb) / 13.83 kg (30.49 lb) |
| Power Adapter | Included |
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
4.4 ★★★★★
Based on 721 reviews
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Product Reviews
★★★★★ 5
Cute
Wish it was a bit bigger. Currently works for what I was looking for.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 19, 2026
★★★★★ 5
Recommended
Color: Silver
Very nice, much bigger than I thought it would be. Like the fact there are no stones to fall out so it will last for years to come. . It is of nice weight and very shiny and packaged very nicely. Super fast shipping. I switched out the chain with I had intended to do anyway didn't care much for the one that came with it it was shorter but expected for the price point.. but for $10 the charm itself was worth it. Very happy with purchase.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Beautiful Quality Designed Necklace.
Color: Silver
Absolutely gorgeous necklace for a women and teenager. This is beautiful and the size works perfectly. Definitely a quality design for any person to wear. The price is excellent and worthy of a gift to anyone. The person receiving it will appreciate the high quality and beautiful necklace. Highly recommended.
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Reviewed in the United States on March 31, 2026
★★★★★ 5
good product
Color: Gold+Silver
fits wife fine and looks good she loves it
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Reviewed in the United States on April 24, 2026
★★★★★ 5
No complaints, compliments all the time
Color: rose gold
Beautiful necklace. love the floating butterfly. Rose Gold is my new Gold. back to what I use to wear when I was younger. keeps well doesn't discolor. I shower and bathed in it no issues.
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Reviewed in the United States on April 4, 2026
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