Dahua SD4A425DB-HNY 4 MP Outdoor PTZ Camera (25x Optical Zoom, Starlight, IR 100 m, PoE+)
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Dahua SD4A425DB-HNY
The Dahua SD4A425DB-HNY is a PTZ IP camera designed for long-range outdoor surveillance, featuring a 1/2.8″ 4-megapixel STARVIS CMOS sensor, 25x optical zoom, and 100m IR distance; it offers intelligent analysis and auto-tracking capabilities with WizSense AI.
High-sensitivity image
Provides 2560×1440 pixel resolution with a 1/2.8″ 4-megapixel STARVIS CMOS sensor.
Powerful zoom
Offers long-distance monitoring with a 5 mm–125 mm focal length range and 25x optical zoom; utilizes PFA focusing technology.
Advanced night vision
Starlight technology and 6 IR illuminators provide night vision down to 0 lux with IR on and an IR distance of 100 m.
WizSense AI and intelligent analysis
With an independent AI chip and deep learning, it supports face detection, perimeter protection, auto-tracking, and SMD 3.0.
Technical Specifications
Image Sensor : 1/2.8″ CMOS
Max. Resolution : 2560×1440
ROM : 128 MB
RAM : 512 MB
Electronic Shutter : 1/1 s–1/30,000 s
Scanning : Progressive
Night Vision : Color: 0.005 lux@F1.6, Black/White: 0.0005 lux@F1.6, 0 lux (IR on)
IR Illumination : 100 m, 6 units
Focal Length : 5 mm–125 mm
Max. Aperture : F1.6–F3.6
Angle of View : H 51.9°–3.0°, V 39.7°–2.2°, D 63.1°–3.7°
Optical Zoom : 25×
Digital Zoom : 16×
Focus Control : Auto / Semi-auto / Manual
Iris Control : Auto / Manual / Fixed
Closest Focus Distance : 0.5–5 m
DORI : Detect 2500 m / Observe 987.5 m / Recognize 500 m / Identify 250 m
Video Compression : H.264H/B, Smart H.265+, H.264, H.265, MJPEG, Smart H.264+
Image Enhancement : Day/Night Auto ICR / Color / Black/White; BLC; WDR 120 dB; HLC; White balance Auto / Indoor / Outdoor / ATW / Manual; 2D/3D NR; Defog; EIS; ROI; Motion detection; S/N ratio ≥55 dB; Privacy mask max. 24 areas
Network Interface : RJ-45 10/100 Base-T
ONVIF : Profile S / G / T, CGI, SDK, P2P
Other Network Features : Unicast / Multicast; 20 users (64M); Storage Micro SD card (512 GB), FTP/SFTP, NAS
Power Supply : 12 VDC 2 A ±10% (included) / PoE+ (802.3at)
Power Consumption : Basic 9.5 W, Max. 21.5 W (illuminator + fan + PTZ)
Operating Temperature : -40 °C ~ +65 °C
Humidity : ≤95%
Protection : IP66
Lightning/Surge Protection : TVS 6000 V
Dimensions / Weight : 170.4 mm × Φ171.1 mm · Net weight 2.5 kg · Gross weight 3.2 kg
Shipping & Return Terms
Fast Shipping: 24-hour delivery within North Cyprus · 3–5 business days between Türkiye and North Cyprus
Returns: 14-day no-questions-asked returns · In original packaging, unused
Warranty: All products are distributor approved and carry a 24-month warranty.
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