Dahua Technology SD4A425DB-HNY guľová IP bezpečnostná kamera interiér & exteriér 3860 x 2160 pixelov stropná

The Dahua Technology SD4A425DB-HNY is an IP security PTZ camera offering 3860 x 2160 resolution for clear long-distance surveillance of indoor and outdoor scenes. It combines powerful optical zoom with accurate pan and tilt control and includes infrared illumination and Starlight Technology to capture usable images in very low light; a day/night mechanical IR cut filter supports consistent image quality across changing lighting conditions.

Advantages

The camera delivers high-resolution 4K-level imaging, reliable PTZ movement for precise targeting, and integrated IR lighting for night visibility. Wired Ethernet connectivity ensures stable data transfer, and the ceiling-mountable, weather-suitable white housing supports both indoor and outdoor deployment.

Suitable for

• Perimeter and outdoor area surveillance
• Large indoor spaces such as warehouses or halls
• Parking lots and entrance monitoring
• Remote monitoring where long-range zoom is required

Key specifications

• Model: Dahua SD4A425DB-HNY (DH-SD4A425DB-HNY)
• Resolution: 3860 x 2160 pixels
• Minimum illumination: 0.0005 lx (with Starlight)
• Horizontal viewing angle: 51.9°; Vertical viewing angle: 39.7°
• Frame rate: 25 fps
• Mounting type: Ceiling
• Connectivity: Wired Ethernet
• Placement: Indoor & outdoor
• Color: White
• Weight: 2.5 kg

How to use

Install the camera on a suitable ceiling mount following local electrical and mounting regulations. Connect the device to a wired Ethernet network for power and data (PoE if supported by your system) and configure the camera using Dahua-compatible VMS or web interface to set PTZ presets, patrol patterns, zoom limits and image settings. Use the infrared and low-light settings for night operation and verify framing at different zoom levels to ensure coverage of the intended areas.

Recommendations

Place the camera at a height and distance that balance field of view and zoom requirements; perform routine lens cleaning and firmware updates, and configure motion detection or VMS alerts to optimize storage and monitoring efficiency.