Compact, powerful PTZ for long‑range, intelligent perimeter security

The Hikvision DS‑2DE4A425IWG‑E is a professional 4MP speed‑dome PTZ designed for demanding outdoor sites. It pairs a high‑quality 4MP sensor with a 25× optical zoom, DarkFighter low‑light imaging and AcuSense human/vehicle classification to deliver clear, actionable footage day and night. Rugged, fast and installer‑friendly, this unit is ideal for commercial perimeters, estates, industrial yards and any installation that needs long‑range monitoring with smart alarm filtering.

Why choose this model?

• 4MP identification‑grade video — crisp QHD resolution without excessive storage load.
• 25× optical zoom — 4.8–120 mm lens for long‑distance detail and reliable identification.
• DarkFighter low‑light tech — superior night performance in low ambient light.
• AcuSense human & vehicle classification — deep‑learning filters reduce false alarms and focus events on real targets.
• Long IR range — up to 50 m of IR for dependable night coverage (model dependent).
• Built for tough environments — IP66 housing and lightning protection for South African exteriors.
• Flexible power — PoE+ (recommended) or 12 V DC for installation versatility.

Key features

• 4 MP (2560 × 1440) sensor, up to 30 fps
• 25× optical zoom; 16× digital zoom
• DarkFighter low‑light imaging
• AcuSense human/vehicle target classification
• Wide WDR (120 dB)
• IR up to 50 m with smart control
• Pan 0°–360° continuous; Tilt −5°–90°
• Up to 300 presets, 8 patrols and multiple scan modes
• H.265/H.264 compression; multi‑stream support
• ONVIF compatible; secure network options
• PoE+ (IEEE 802.3at) or 12 V DC power
• IP66 ingress protection; operating temp suitable for SA climates

Technical snapshot

• Image sensor: 1/2.8" progressive CMOS
• Resolution: 2560 × 1440 (4 MP)
• Lens / zoom: 4.8–120 mm (25× optical), 16× digital
• Min. illumination: Colour 0.005 Lux @ F1.6; B/W 0.001 Lux; 0 Lux with IR
• WDR: 120 dB
• Pan/Tilt speeds: Pan configurable (0.1°–300°/s); preset speed up to 350°/s
• IR range: Up to 50 m (model dependent)
• Compression: H.265+/H.265/H.264+/H.264
• Streams: Main, sub and third stream options
• Network: PoE+ or 12 V DC; ONVIF support
• Environmental: IP66; operating temp approx. −30 °C to +50 °C
• Power draw: Typical max ≈ 13.5 W (varies with IR and operation)

Best use cases

• Long‑range perimeter security for factories, logistics yards and farms
• Estate and campus surveillance where a single PTZ covers large zones
• Transport hubs, parking facilities and industrial yards
• Sites requiring reduced false alarms with reliable human/vehicle filtering

Installation & commissioning tips

• Choose mounting height to balance wide coverage and zoom capability — typically 3–10 m depending on site.
• Prefer PoE+ for easier deployment and centralised power management; confirm switch PoE budget.
• For long 12 V DC runs calculate voltage drop and use appropriately sized cable.
• Configure PTZ presets, patrols and scan patterns during commissioning to cover high‑priority zones.
• Tune AcuSense detection regions & sensitivity per camera location to cut false alarms from foliage or animals.
• Use a dedicated VLAN for CCTV traffic, enable HTTPS and change default passwords to secure the device