Overview
The Hikvision DS-2DF8425IXG1-ELWY is a 4 MP outdoor PTZ (speed-dome) camera from Hikvision's Ultra/DF8 series, engineered for large-area surveillance and long-range identification. It combines DarkFighter 2.0 low-light imaging, a 25× optical zoom and long-range IR to deliver reliable day/night performance in challenging lighting and weather conditions.

• Resolution: 4 MP (2688 × 1520)
• Low-light technology: DarkFighter 2.0 for extremely low minimum illumination
• Zoom: 25× optical (5.9–147.5 mm) plus 16× digital
• Night range: Up to 400 m IR (DarkFighter IR model)
• Wide dynamic range: AWDR 150 dB for strong backlight scenes
• Outdoor-ready: IP67 weather rating and IK10 vandal resistance (glass window excluded); built-in heater and windscreen wiper for reliability
• Smart analytics: auto-tracking, face capture and vehicle/traffic detection
• Power options: 24 VAC or Hi-PoE (50 W)

Use cases
Ideal for perimeter and site security, critical infrastructure, ports/airfields, large car parks and transport hubs where long-range optical identification, reliable night vision and robust weather/vandal protection are required. Suitable for both contractor installation and managed security deployments.

Installation & compliance
Professional installation recommended. Verify local requirements for CE/UKCA marking and any national compliance rules before installation. Follow the Hikvision user manual and datasheet for mounting, cabling and power requirements. Isolate power sources before servicing.