Dahua - 49425GBNR - 4MP Enhanced Starlight Network PTZ Camera (25x)
Part number:
49425GBNR
Price:

Featuring powerful optical zoom and accurate pan/tilt/zoom performance, this camera provides an all-in-one solution for capturing long distance video security for outdoor applications. Together with infrared illumination and Enhanced Starlight Technology, the camera is the perfect solution for dark, lowlight applications. The series combines a day/night mechanical IR cut filter for the highest image quality in variable lighting conditions during the day.

 

Features:

  • 1/2.8-in. STARVIS CMOS Sensor
  • Powerful 25x Optical Zoom Lens
  • Enhanced Starlight Technology for Low-light Applications
  • AI Coding and Smart H.265+ and Smart H.264+ Smart Dual Codec
  • Enhanced Starlight Technology for Low-light Applications
  • 4MP (2560 x 1440) at 30 fps
  • Maximum IR LED Distance of 100 m (328.08 ft)
  • Analytics+ Functions: Perimeter Protection, Face Detection, Smart Motion Detection+
  • ArcticPro Series Camera – Operational down to –40° C (–40° F)
  • IP66 Ingress Protection, TVS 6000 V Surge Protection
  • Five-year Warranty
Technical Specification 
Camera 
Image Sensor1/2.8-in. CMOS
Effective Pixels2560 (H) × 1440 (V)
RAM/ROM1 GB/4 GB
Scanning SystemProgressive
Electronic Shutter Speed1/1 s to 1/30,000 s

Minimum  

Illumination

Color  0.005 lux at F1.6
B/W0.0005 lux at F1.6
IR Light On0 lux at F1.6
IR Distance100 m (328.08 ft) 
IR On/Off ControlZoom Priority, Manual, Smart IR, Off
Illuminator NumberFour (4) IR LEDs
Lens 
Focal Length5 mm to 125 mm
Maximum AperatureF1.6 to F3.6
Angle of ViewHorizontal53.1° to 3.4°
Vertical30.4° to 1.9°
PTZ 

Pan/Tilt  

Range

Pan0° to 360° endless
Tilt–15° to +90°, auto flip 180°

Manual  

Control  

Speed

Pan0.1° to 200°/s
Tilt0.1° to 120°/s
Preset SpeedPan240°/s
Tilt200°/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 CompressionAI Coding, H.264H, H.264B, Smart H.265+, H.264, H.265, MJPEG(Sub Stream), Smart H.264+
Streaming CapabilityThree (3) Streams
Resolution

4MP (2560 × 1440), 3MP (2048 × 1536),  2304 × 1296, 

1080p (1920 × 1080), 720p (1280 × 720), D1 (704 × 

576/704 × 480), CIF (352 × 288/352 × 240)

Frame RateMain Stream4MP/3MP/1080p/1.3MP/720p at 1 to 30 fps
Sub Stream 1D1/CIF at 1 to 30 fps
Sub Stream 21080p/1.3M/720p at 1 to 30 fps
Bit Rate ControlCBR/VBR
Bit RateH.26496 to 14,848 Kbps
H.26538 to 8,960 Kbps
Day/NightAuto (ICR), Color, B/W
Backlight CompensationBLC, WDR, HLC 
White BalanceAuto, Indoor, Outdoor, Tracking, Manual, Sodium Lamp, Natural Light, Street Lamp
Gain ControlAuto, Manual
Noise Reduction2D, 3D
Advanced FeaturesRegion of Interest (RoI), Electronic Image Stabilization (EIS), Defog 
Digital Zoom16x
Image Rotation180°
Privacy MaskingUp to 24 areas (8 areas allowed per view)
S/N Ratio≥ 55 dB
Audio 
CompressionPCM, G.711a, G.711Mu, G.726, MPEG2-Layer2, G.722.1, G.729, G.723, AAC
EthernetOne (1) RJ-45 Port (10/100 Base-T)
Protocol

FTP, RTMP, IPv6, Bonjour, IPv4, DNS, RTCP, PPPoE, 

NTP, RTP, 802.1x, HTTPS, SNMP, TCP/IP, DDNS, UPnP, 

NFS, ICMP, UDP, IGMP, HTTP, SSL, DHCP, SMTP, Qos, RTSP, ARP

InteroperabilityRTMP, CGI, SDK, ONVIF (Profile S, G, T), P2P
Streaming MethodUnicast/Multicast
Maximum User Access20 Users (Total Bandwidth 64 Mbps)
Edge StorageMicro SD Slot (Max. 512 GB), FTP/SFTP, NAS
Browser  Safari (iOS 10 or Later), Microsoft Edge, Google Chrome 41 or Later, Firefox 50 or Later
Management SoftwareDSS, DMSS
Mobile ClientiOS, Android
Certifications 
CECE-EMC: EN 55032; EN 61000-3-3; EN 61000-3-2; EN 50130-4; EN 55035; CE-LVD: EN 62368-1
FCC47 CFR FCC Part15, Subpart B, NSI C63.4
ULUL62368-1
Interface  
AudioInputOne (1) channel (LINE IN, bare wire)
OutputOne (1) channel (LINE OUT,bare wire)
AlarmInputTwo (2) Channel
OutputOne (1) Channel
Alarm Linkage Capture, Recording, Send Email, Preset, Tour, Pattern, Alarm Digital Input
Alarm Event 

Motion/Tampering Detection, Audio Detection, 

Network Disconnection Detection, IP Conflict 

Detection, Memory Card State Detection, Memory Space Detection

Environmental 
Operating Temperature–40 °C to +70 °C (–40 °F to +158 °F)
Operating Humidity≤ 95%
Storage Temperature–40 °C to +70 °C (–40 °F to +158 °F)
Storage Humidity≤ 95%
Ingress ProtectionIP66
Surge ProtectionTVS 6000 V
Construction 
Product Dimensions270.4 mm × Φ160 mm (10.65" × Φ6.30")
Net Weight2.4 kg (5.29 lb)
Gross Weight3.9 kg (8.60 lb)
Analytics+ Functions 
Face Detection• Detects and captures a snapshot of a human face in a defined area within a scene.
Smart Motion Detection
  • Differentiates between and classifies human and vehicle objects.
  • Filters false alarms due to leaves, lights, animals, and other inconsequential objects.
  • Extracts human or vehicle objects from recorded video for quick target search and retrieval.
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