SDT4E425-8P-GB-APV1 - The panoramic PTZ camera integrates an 8+4MP system with dual lenses: a 2.8 mm fixed panoramic lens (F1.4) and a 5–125 mm PTZ lens (F1.6–F3.6) with 25x optical zoom, ensuring ultra-definitive images and 180° coverage in 4K. Equipped with WizSense artificial intelligence, it offers smart tracking, perimeter protection, dual IR and LED illumination, active audio-visual alarm and auto tracking 3.0. Perfect for critical applications, it supports Starlight Technology for 0.005 lux night vision, IP66 protection and detection distances up to 2500 m. Compatible with PoE, ONVIF and DSS Pro software, it is the complete solution for advanced indoor/outdoor security. Dahua
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SDT4E425-8P-GB-APV1 | 8MP OUTDOOR POE PANORAMIC AND PTZ CAMERA WITH ARTIFICIAL INTELLIGENCE - STARLIGHT

The Dahua SDT4E425-8P-GB-APV1 is an 8+4MP AI panoramic PTZ surveillance camera with dual sensors and 25x optical zoom, designed to deliver ultra-detailed 180° images and intelligent tracking of people and vehicles. Equipped with WizSense technology, dual-light IR/LED illumination, auto tracking 3.0, active deterrence and perimeter protection, it is ideal for critical contexts and outdoor environments thanks to its IP66 resistance and ultra-low-light night vision up to 0.005 lux.
Main specifications:
- 180° panorama and Full HD detail with 8MP + 4MP sensors
- 25x optical zoom with 5–125mm motorized lens
- Auto Tracking 3.0 and AI Smart Tracking with dual cameras
- Color night vision with Starlight + Smart Dual Light technology
- Integrated audio-visual alarm, IP66 protection, PoE and storage up to 512 GB
Further details
✅ Perimeter Protection:

Technical data sheet
Model | SDT4E425-8P-GB-APV1 |
Room | |
Image Sensor | Panorama: 1/2.7" CMOS; Detail: 1/2.8" CMOS |
Pixel | Panorama: 8 MP; Detail: 4 MP |
Max. Resolution | Panorama: 4096 × 1860; Detail: 2560 × 1440 |
ROM | Panorama: 4 GB; Detail: 4 GB |
RAM | Panorama: 2 GB; Detail: 1 GB |
Electronic Shutter Speed | 1 s–1/30,000 s |
Scanning System | Progressive |
Min. Illumination | Panorama: 0.005 lux@F1.4 (Color, 30 IRE); 0.0005 lux@F1.4 (B/W, 30 IRE); 0 lux (illuminator on) Detail: 0.005 lux@F1.6 (Color, 30 IRE); 0.0005 lux@F1.6 (B/W, 30 IRE); 0 lux (illuminator on) |
Illumination Distance | Panorama: 30 m (98.43 ft) (IR); 30 m (98.43 ft) (white light) Detail: 100 m (328.08 ft) (IR); 50 m (131.23 ft) (white light) |
Illuminator On/Off Control | Panorama: Manual; Auto; Off Detail: Zoom Prio; Manual; Auto; Off |
Illuminator Number | Panorama: 2 (IR light); 2 (White light); Detail: 2 (IR light); 2 (Warm light) |
Lens | |
Focal Length | Panorama: 2.8mm; Detail: 5mm–125mm |
Max. Openings | Panorama: F1.4; Detail: F1.6-F3.6 |
Field of View | Panorama: H: 180°; V: 86°; Detail: H: 51.9°–3.0°; V: 39.7°–2.2°; D: 63.1°–3.7° |
Optical Zoom |
Panorama: NA; Detail: 25 × |
Focus Control |
Auto; manual; semi-auto |
Close Focus Distance |
Panorama: 0.6 m (1.97 ft); Detail: 0.1 m–0.5 m (0.33"–1.64") |
Iris Control |
Panorama: NA; Detail: Car; manual; iris first |
PTZ | |
Pan/Tilt Range | Pan: 0° to 360° endless |
Manual Speed Control | Pan: 0.1°/s–180°/s; Tilt: 0.1°/s–90°/s |
Preset Speed | Pan: 0.1°/s–180°/s; 1/1s~1/30,000s |
Presets | 300 |
Tour |
8 (up to 32 presets per tour) |
Pattern |
5 |
Scan |
5 |
Power-off Memory | Yes |
Idle Motion |
Preset; Pattern; Tour; Scan |
Intelligence | |
IVS (Perimeter Protection) | Tripwire; intrusion; crossing fence detection; loitering detection; abandoned/missing object; fast moving; parking detection; people gathering; human alarm classification; linkage tracking |
Auto Tracking | Auto tracking 3.0 |
SMD | SMD 4.0 |
Active Deterrence | |
Light Warning | Red-Blue light warning; Flash duration: 5 s–30 s; Flash frequency: high, medium, low |
Sound Warning | Offers 11 sound alarms and 10 custom sound alarms can be imported. Sound can be set from 0%–100%. Play times can be set from 1-10. |
Video | |
Compression | Smart H.265+;H.265;Smart H.264+;H.264B;H.264M;H.264H;MJPEG(Sub Stream 1) |
Streaming Capability | 3 Streams |
Resolution |
Panorama: 8M (4096 × 1860); 2M (2048 × 928); 1080p (1920 × 1080); 720p (1280 × 720); 1024×448; D1 (704 × 576/704 × 480); VGA (640 × 480); CIF (352 × 288/352 × 240); Detail: 4M (2560 × 1440); 3M (2304 × 1296); 1080p (1920 × 1080); 1.3M (1280×960); 720p (1280 × 720); D1 (704 × 576/704 × 480); VGA (640 × 480); CIF (352 × 288/352 × 240) |
Video Frame Rate |
Panorama: |
Bit Rate Control | CBR/VBR |
Video Bit Rate | Panorama: H264: 128 kbps–16,384 kbps H265: 51 kbps–13,312 kbps; Detail: H264: 96 kbps–16,384 kbps H265: 38 kbps–10,240 kbps; |
Day/Night | Panorama: Car; Color; B/W; Electronic Detail: Car; Color; B/W; Electronic |
BLC | Yes |
WDR | Panorama: DWDR; Detail: 120 dB |
HLC | Yes |
White Balance | Panorama: Car; indoor; outdoor; tracking; manual; sodium lamp; natural light; street lamp Detail: Car; indoor; outdoor; tracking; manual; sodium lamp; natural light; street lamp |
Gain Control | Panorama: Car; manual; gain first Detail: Car; manual; gain first |
Noise Reduction | Panorama: 2D NR; 3D NR Detail: Auto: 2D NR; 3D NR |
Motion Detection | Support |
Region of Interest (ROI) | Support |
Image Stabilization | Panorama: NA Detail: Optical Image Stabilization (OIS) |
Defog | Panorama: Electronic Detail: Electronic |
Digital Zoom | Panorama: NA Detail: 16x |
Image Rotation | Panorama: NA Detail: 180° |
S/N Ratio |
Panorama: ≥55 dB |
Audio | |
Audio Compression | PCM, G.711A, G.711Mu, G.726, MPEG2-Layer2, G.722.1, G.729 |
Network | |
Network Port | RJ-45 (10XBase-T/100Base-T) |
Network Protocol |
HTTP;HTTPS;TCP/IP;IPv4;RTSP;UDP;SMTP;NTP;DHCP;DNS;DDNS;IPv6;802.1x;SSL;QoS;FTP;UPnP;ICMP;SNMP;IGMP;ARP;RTCP;RTP;PPPoE;RTMP;Bonjour;NFS |
Interoperability | ONVIF (Profile S & Profile G & Profile T);CGI;SDK;P2P |
Streaming Method | Unicast / Multicast |
User/Host | 20 users (total bandwidth: 64M) |
Storage | Micro SD card (512GB); FTP/SFTP; NAS |
Browser | web5.0: IE 9 and later versions; Chrome 41 and later versions; Firefox 52 and later versions; Safari 10 and later versions |
Management Software | DMSS; DSS Pro |
Smartphone | Android, iOS |
Certification | |
Certifications | CE: EN55032/EN55024/EN50130-4 |
Port | |
Audio Input |
1 channel (LINE IN, bare wire) |
Audio Output |
1 channel (LINE OUT, bare wire) |
Alarm Input |
2 (on-off value input: 0–5 VDC) |
Alarm Output |
1 channel |
Alarm Linkage |
Capture; recording; send email; presets; tours; pattern; alarm digital output; audio; warning light |
Alarm Event |
Motion/tampering detection; network disconnection detection; IP conflict detection; memory card state detection; memory space detection |
Power | |
Power Supply |
12 VDC, 3 A ± 10%; PoE (802.3at) |
Power Consumption |
Basic: 14 W; |
Environment |
|
Operating Conditions |
-40°C ~ 65°C (-40°F ~ +149°F) |
Operating Humidity |
≤95% |
Ingress Protection |
IP66; TVS 6000V lightning proof; surge protection; voltage transient protection |
Structure |
|
Product Dimensions |
194.2 mm × 160 mm × 311 mm (7.65" × 6.30" × 12.24") (L × W × H) |
Net Weight |
3.1 kg (6.83 lb) |
Gross Weight |
3.1 kg (6.83 lb) |