Dahua - 4A425DBNR - 4MP Enhanced Starlight Network PTZ Camera (25x)
Part number:
4A425DBNR
Price:

The 4MP Enhanced Starlight Network PTZ camera offers a comprehensive solution for capturing long-distance video security in outdoor and low-light applications. It uses Smart H.265+ video compression to improve encoding efficiency without compromising video quality. This PTZ camera has advanced Analytics+ functions such as Perimeter Protection and Smart Motion Detection to significantly improve accuracy and reliability compared to standard intelligent features. Infrared illumination and Enhanced Starlight technology make the camera suitable for low-light situations.

 

Features:

 1/2.8-in STARVIS™ Progressive-scan CMOS Sensor
• Powerful 25x Optical Zoom Lens
• Smart H.265+ and Smart H.264+ Dual Codecs
• Enhanced Starlight Technology for Ultra-low Light Sensitivity
• 4MP (2560 × 1440) at 30 fps
• Maximum IR distance up to 100 m (328.08 ft)
• Predictive Focus Algorithm (PFA) Technology
• Analytics+ Functions — Perimeter Protection, Face Detection, and Smart Motion Detection
• Intelligent Video System with Auto-tracking
• ArcticPro Series Camera – Operational down to –40° C (–40° F)
• IP66 Protection
• Five Year Warranty*

Camera
Image Sensor1/2.8-in STARVIS™ CMOS
Effective Pixels4MP (2560 × 1440)
RAM/ROM512 MB/128 MB
Scanning SystemProgressive
Electronic Shutter Speed1/1 s to 1/30000 s
Minimum IlluminationColor0.005 lux at F1.6
B/W0.0005 lux at F1.6
IR On0 lux
IR Distance100 m (328.08 ft)
IR On/Off ControlZoom Priority, Manual, Smart IR, Off
Illuminator NumberSix (6)
Lens
Focal Length5 mm to 125 mm
Maximum ApertureF1.6 to F3.6
Field of ViewPan51.9° to 3.0°
Tilt39.7° to 2.2°
Rotation63.1° to 3.7°
Optical Zoom25x
Focus ControlAuto, Semi-automatic, Manual
Close Focus Distance0.5 m to 5 m (1.64 ft to 16.40 ft)
Iris ControlAuto, Manual, Fixed
DORI1 DistanceDetectObserveRecognizeIdentify
2500 m
(8202.10 ft)
987.5 m (3239.83 ft)500 m
(1640.42 ft)
250 m
(820.21 ft)
Pan/Tilt/Zoom
Pan/Tilt
Range
Pan0° to 360° endless
Tilt–5° to +90°, Auto flip 180°
Manual Control SpeedPan0.1°/s to 240°/s
Tilt0.1°/s to 160°/s
Preset SpeedPan240°/s
Tilt160°/s
Presets300
PTZ Mode5 Patterns, 8 Tours (Up to 32 Presets per Tour), 5 Scans
Power Up ActionAuto restore to previous PTZ and lens status after power failure
Idle MotionActivate Preset/Scan/Tour/Pattern if there is no command in the specified period
Video
Video CompressionH.264H, H.264B, Smart H.264+, Smart H.265+, H.264,
H.265, MJPEG(Sub Stream)
Streaming CapabilityThree (3) Streams
Resolution4MP (2560 × 1440), 3MP (2304 × 1296), 1080P (1920 ×
1080), 1.3MP (1280 × 960), 720P (1280 × 720), D1 (704
× 480), VGA (640 × 480), CIF(352 × 288)
Frame RateMain Stream4MP/3MP/1080p/1.3MP/720p at 1 to 30 fps
Sub Stream 1D1/VGA/CIF at 1 to 30 fps
Sub Stream 2720p/CIF at 1 to 30 fps
Bit Rate ControlCBR/VBR
Bit RateH.2642816 kbps to 3056 kbps
H.2651024 kbps to 7936 kbps
Day/NightAuto (ICR), Color, B/W
Backlight CompensationBLC, HLC, True WDR (120 dB)
White BalanceAuto, Iris Priority, Shutter Priority, Gain Priority, Manual
Gain ControlAuto, Manual
Noise Reduction2DNR, 3DNR
Advanced FeaturesElectronic Image Stabilization (EIS), Electronic Defog
Digital Zoom16x
Image Rotation180°
Privacy MaskingUp to 24 areas with up to 8 areas in the same view
S/N≥ 55 dB
Motion DetectionSupported
Region of Interest (RoI)Supported (8 Regions)
Audio
CompressionG.711a, G.711Mu, G.726, MPEG2-Layer2, G722.1, PCM,
AAC
Network
EthernetRJ-45 (10/100 Base-T)
ProtocolTCP, FTP, RTMP, IPv6, Bonjour, IPv4, DNS, RTCP, PPPoE, NTP, RTP, 802.1x, HTTPS, SNMP, TCP/IP, DDNS, UPnP, NFS, ICMP, UDP, IGMP, IP Filter, HTTP, SSL, DHCP, SMTP, SNMPv1/v2c/v3(MIB-2), Qos, RTSP, ARP
InteroperabilityCGI, SDK, ONVIF (Profile S, G, T), P2P
Streaming MethodUnicast/Multicast
Maximum User Access20 (Total Bandwidth: 64 Mbps)
Edge StorageMicroSD Card (Max 64 GB), FTP, SFTP, NAS
BrowserEdge, Chrome (Version 86 or later)
Management SoftwareDSS, DMSS, Smart PSS
Mobile ClientiOS, Android
Certification
CEEN55032/EN55024/EN50130-4
Electromagnetic Compatability (EMC)Part 15 Subpart B, ANSI C63.4-2014
Interface
AudioInputOne (1) Channel (LINE IN, bare wire)
OutputOne (1) Channel (LINE OUT, bare wire)
AlarmInputTwo (2) Channel
OutputOne (1) Channel
Alarm LinkageCapture, Preset, Tour, Pattern, Recordings On Sd Card, Alarm Digital Input, Send Email, Wake
Alarm EventMotion/Tampering Detection, Audio Detection, Network Disconnection Detection, IP Conflict Detection, Memory Card State Detection, Memory Space Detection, Power Exception Detection
Electrical
Power Supply12 VDC/2 A ± 10% (included), PoE+ (802.3at)
Power
Consumption
Basic9.5 W
Maximum21.5 W (Illuminator + Fan + PTZ)
Environmental
Operating Temperature–40 °C to +65 °C (–40 °F to +149 °F)
Operating Humidity≤ 95%
Storage Temperature–40 °C to +65 °C (–40 °F to +149 °F)
Storage Humidity≤ 95%
ProtectionIP66
Surge ProtectionTVS 6000 V
Construction 
Product Dimensions168.0 mm × Φ171.1 mm (6.61" × Φ6.74")
Net Weight2.5 kg (5.51 lb)
Gross Weight3.2 kg (7.05 lb)
Name
Description
Size
Downloads
File
Data Sheet
0.7mb