SD2C405NB-GNY-A-PV-S2 - is a 4MP motorized PT camera with 5x optical zoom and 2.7–13.5 mm varifocal lens, perfect for monitoring large areas with high precision. Thanks to Smart Dual Light technology, it records in color even at night, activating the lighting only when motion is detected. It integrates AI functions for the detection of people and vehicles, two-way audio, active deterrence with light and siren, and is IP66 protected for reliable outdoor use. Dahua
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SD2C405NB-GNY-A-PV-S2 | PT IP CAMERA VARIFOCAL OPTIC 2.7-13.5mm - ARTIFICIAL INTELLIGENCE - SMART DUAL LIGHT

The Dahua SD2C405NB-GNY-A-PV-S2 is a 4MP PT IP camera with 2.7–13.5 mm motorized lens and 5x optical zoom, designed to ensure active and intelligent surveillance in outdoor environments thanks to IP66 protection. Equipped with advanced AI for human/vehicle detection, two-way audio, light and sound deterrence and Smart Dual Light technology, it ensures color footage even at night with efficient energy consumption and remote management via app. Ideal for residential and professional contexts.
Main specifications:
- 1/2.8" CMOS sensor – resolution up to 2560×1440 (4MP)
- 2.7–13.5 mm varifocal lens with 5× optical zoom
- Smart Dual Light with IR light and smart white LED
- AI Detection (Human and Vehicle), Auto Tracking Lite and SMD 3.0
- Two-way audio with built-in microphone and speaker
- Active alarms with strobe light and customizable sounds
- IP66 protection, PoE, WDR 120 dB, Pan rotation up to 345° and Tilt 90°
Further details
✅ Two-way Talk:
✅ Network:

Technical data sheet
MODEL | SD2C405NB-GNY-A-PV-S2 |
Room | |
Image Sensor | 1/2.8" CMOS |
Pixel | 4 MP |
Max. Resolution | 2560 (H) × 1440 (V) |
ROM | 128 MB |
RAM | 128 MB |
Electronic Shutter Speed | 1 s–1/30,000 s |
Scanning System | Progressive |
Min. Illumination | 0.05 lux@F1.6 (Color, 30 IRE); 0.005 lux@F1.6 (B/W, 30 IRE); 0 lux (Illuminator on) |
Illumination Distance | 30 m (98.43 ft) (warm light); 30 m (98.43 ft) (IR) |
Illuminator On/Off Control | Manual; Auto; Off |
Illuminator Number | 2 (IR light); 2 (warm light) |
Lens | |
Focal Length | 2.7mm–13.5mm |
Max. Openings | F1.6–F3.0 |
Field of View | H: 96.73°–24.76°; V: 51.98°–13.91°; D: 110.58°–29.74° |
Optical Zoom | 5× |
Focus Control | Auto; Semi-auto; Manual |
Close Focus Distance | 0.6 m (1.97 ft) |
Iris Control | Fixed |
PTZ | |
Pan/Tilt Range | Pan: 0° to 345°; Tilt: 0° to +90° |
Manual Speed Control | Pan: 0.1°–74°/s; Tilt: 0.1°–36.4°/s |
Preset Speed | Pan: 0.1°–62°/s; Tilt: 0.1°–36.3°/s |
Presets | 300 |
Power off Memory | Yes |
Idle Motion | Presets |
Smart Event | |
IVS | Tripwire and intrusion |
Human Detection | Yes |
Vehicle Detection | Yes |
Intelligence | |
SMD | SMD 3.0 |
SmartSearch | Auto Tracking Lite |
Active Deterrence | |
Light Warning | Warm light warning Flash duration: 5s–30s; Flash frequency: high, medium, low |
Sound Warning | Offers 1 sound alarm and supports importing 10 custom sound alarms. Sound: 0–100 Play times can be set from 1 to 10. |
Video | |
Video Compression | Smart H.265+;H.265;Smart H.264+;H.264B;H.264M;H.264H;MJPEG(Sub Stream 1) |
Streaming Capability | 2 stream |
Resolution | 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 | Main stream: 4M/1080p/1.3M/720p@(1–25/30 fps) sub stream: D1/VGA/CIF@(1–25/30 fps) |
Bitrate Control | CBR; VBR |
Video Bitrate | H.264: 96kbps–8192kbps H.265: 38kbps–8192kbps |
Day/Night | Auto (ICR); Color/B/W |
BLC | Yes |
HLC | Yes |
WDR | 120dB |
White Balance | Car; indoor; outdoor; tracking; manual; sodium lamp; natural light; street lamp |
Gain Control | Manual/Auto |
Noise Reduction | 2D NR; 3D NR |
Motion Detection | Yes |
Region of Interest (RoI) | Yes |
Image Rotation | Electronic Image Stabilization (EIS) |
Defog | Electronic |
Digital Zoom | 5.5x |
Image Rotation | 180° |
Y/N Ratio | ≥55dB |
Audio | |
Audio Compression | PCM; G.711a; G.711Mu; G.726 |
Built-in MIC | Yes |
Built-in Speaker | Yes |
Network | |
Network | RJ-45 (10/100Base-T) |
Network Protocol | HTTP;HTTPS;TCP/IP;IPv4;RTSP;UDP;SMTP;NTP;DHCP;DNS;DDNS;IPv6;SSL;FTP;ARP;RTCP;RTP;IP Filter;RTMP |
Interoperability | ONVIF (Profile S & Profile G & Profile T);CGI;SDK;P2P |
Streaming Method | Unicast/Multicast |
User/Host | 20 (Total bandwidth: 64M) |
Storage | Micro SD card (support max. 256GB); FTP |
Browser | IE: IE 7 and later versions; Chrome; Firefox; Safari |
Management Software | DMS;DSS Pro |
Mobile Client | Android;iOS |
Certification | |
Certifications | CE: EN55032/EN50130-4 |
Port | |
Audio Input | 1 channel (built-in mic) |
Audio Output | 1 channel (built-in speaker) |
Alarm Linkage | Capture; presets; recording; audio; sending email |
Alarm Event | Motion/Tampering detection; audio detection; network disconnection detection; IP conflict detection; memory card state detection; memory space detection |
Power | |
Power Supply | 12VDC, 1.5A ± 10% PoE (802.3af) |
Power Consumption | Basic: 5W; Max: 12.95W (illuminator + PTZ) |
Power Adapter | Optional |
Environment | |
Operating Temperature | –30 °C to +55 °C (–22 °F to +131 °F) |
Operating Humidity | ≤95% |
Protection | IP66; TVS 2000V lightning proof; surge protection; voltage transient protection |
Structure | |
Product Dimensions | 155.5 mm × Φ129.6 mm (6.12" × Φ5.10") |
Net Weight | 0.65 kg (1.43 lb) |
Gross Weight | 0.715 kg (1.58 lb) |
Filter | |
Remarks | The precision of the presets for PTZ cameras might vary depending on different series. For scenes with high requirements on the precision, contact your local sales representative for assistance with selecting the model. |