- Overview channel: 1/2.8" 4Megapixel F1.0 CMOS
- Detail channel: 1/2.8"4Megapixel CMOS
- 25× optical zoom
- Max. 25/30 fps@4M
- IR distance up to 100m
- Xinghan Large-Scale AI Models
- Auto tracking 3.0
- Smart tracking
- Perimeter protection
- Active deterrence
General
| Unit Calculated Weight | 5.5 kg |
| Unit Calculated Volume | 0.03721 cubm |
| Units per Shipping Box | 2 |
| Units per Pallet | 0 |
| Summary | Dahua Technology SDT4E425-4F-GB-A-PV1-S2. Type: IP security camera, Placement supported: Indoor & outdoor, Connectivity technology: Wired. Mounting type: Ceiling/Wall/Pole, Product colour: White, International Protection (IP) code: IP66. Minimum illumination: 0.001 lx, Lens viewing angle, horizontal: 101°, Lens viewing angle, vertical: 53°. Sensor type: CMOS, Optical sensor size: 25.4 / 2.8 mm (1 / 2.8"). Optical zoom: 25x, Detect distance: 100 m, Observe distance: 40 m |
| Unit Box Height | 0.497 |
| Unit Box Length | 0.257 |
| Unit Box Width | 0.243 |
Design
| International Protection (IP) code | IP66 |
| Mounting type | Ceiling/Wall/Pole |
| Product colour | White |
Performance
| Alarm input/output | Yes |
| Auto patrol mode | Yes |
| Auto-tracking | Yes |
| Built-in light | Yes |
| Connectivity technology | Wired |
| Day/night mode | Yes |
| Dynamic range | 120 dB |
| Placement supported | Indoor & outdoor |
| Preset points | Yes |
| PTZ control | Yes |
| PTZ modes | 5 Pattern/5 Scan/8 Tour |
| Tour recording | Yes |
| Type | IP security camera |
| Wide Dynamic Range (WDR) | Yes |
Camera
| Auto flip | Yes |
| Camera pan control | Yes |
| Camera tilt control | Yes |
| Lens viewing angle, diagonal | 120 ° |
| Lens viewing angle, horizontal | 101 ° |
| Lens viewing angle, vertical | 53 ° |
| Minimum illumination | 0.001 lx |
| Number of Privacy masking areas | 24 |
| Pan range | 0 - 360 ° |
| Tilt angle range | -15 - 90 ° |
| White balance | Auto/Indoor/Manual/Natural/Outdoor/Sodium lamp/Street lamp |
Image sensor
| Optical sensor size | 1/2.8 " |
| Progressive scan | Yes |
| Sensor type | CMOS |
Lens system
| Auto focus | Yes |
| Detect distance | 100 m |
| Focus | Manual |
| Identify distance | 10 m |
| Observe distance | 40 m |
| Optical zoom | 25 x |
| Recognize distance | 20 m |
| Zoom capability | Yes |
Night vision
| LED type | IR |
| Night vision | Yes |
| Night vision distance | 100 m |
Video
| Back Light Compensation (BLC) | Yes |
| Bit rate control | Constant Bit Rate (CBR),Variable Bit Rate (VBR) |
| Digital Wide Dynamic Range (DWDR) | Yes |
| Frame rate | 30 fps |
| Gain control type | Auto/Manual |
| Highlight Compensation (HLC) | Yes |
| Image stabilizer | Yes |
| Maximum resolution | 2560 x 1440 pixels |
| Noise reduction | Yes |
| Noise reduction technology | 2D noise reduction,3D noise reduction |
| Region of Interest (ROI) encoding | Yes |
| Total megapixels | 4 MP |
| Video compression formats | H.264+/H.264B/H.264H/H.264M/H.265/H.265+/M-JPEG |
| Video recording | Yes |
| Video streaming | Yes |
Audio
| Audio formats supported | G.711 µ-law/G.711 A-law/G.722.1/G.726/G.729/MPEG-2/PCM |
| Audio input channels | 1.0 channels |
| Audio output channels | 1.0 channels |
| Audio system | 2-way |
| Built-in microphone | Yes |
| Built-in speaker(s) | Yes |
| Number of microphones | 2 |
| Signal-to-Noise Ratio (SNR) | 55 dB |
Network
| Bluetooth | No |
| Ethernet interface type | Fast Ethernet |
| Ethernet LAN | Yes |
| Networking standards | IEEE 802.1x/IEEE 802.3at |
| Number of users | 20 user(s) |
| Quality of Service (QoS) support | Yes |
| Streaming method | Multicast/Unicast |
| Supported network protocols | 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, SMB, NFS |
| Wi-Fi | No |
Storage
| Built-in HDD | No |
| Card reader integrated | Yes |
| Compatible memory cards | MicroSD (TransFlash) |
| Maximum memory card size | 512 GB |
| RAM capacity | 2048 MB |
| ROM capacity | 4096 MB |
Ports & interfaces
| DC-in jack | Yes |
| Ethernet LAN (RJ-45) ports | 1 |
Security
| Alarm input channels | 2 |
| Alarm output channels | 1 |
| HTTPS encryption | Yes |
| Human and vehicle targets classification | Yes |
| Intelligent Video Surveillance (IVS) system features | Abandoned object/Intrusion/Missing object/Tripwire |
| Network access storage (NAS) | Yes |
| Video motion detection | Yes |
Power
| DC output current | 3 A |
| DC output voltage | 12 |
| Power consumption (max) | 25 W |
| Power consumption (typical) | 14 W |
| Power source type | DC,PoE |
Operational conditions
| Operating temperature (T-T) | -40 - 65 °C |
System requirements
| Mobile operating systems supported | Android/iOS |
Weight & dimensions
| Height | 304.6 mm |
| Length | 160 mm |
| Weight | 3410 g |
| Width | 184.4 mm |
Sustainability
| Compliance certificates | CE |
Packaging content
| Manual | Yes |
| Number of cameras | 1 |
