CCTV security camera DAHUA DH-SD5A225GB-HNR — 2 MP 1920×1080, 25x optical zoom, PTZ, IP67, IK10, PoE, ceiling mount

The Dahua Technology WizSense DH-SD5A225GB-HNR is a turret-style CCTV security camera with 1920 x 1080 resolution, 25x optical zoom and 16x digital zoom for long-distance monitoring. Designed for indoor and outdoor ceiling mounting, the camera combines Starlight low-light sensitivity, infrared illumination and a day/night mechanical IR cut filter to deliver clear images in variable lighting conditions. Built-in analytics such as perimeter protection, auto-tracking and face detection enhance detection accuracy and reduce false alarms, while Smart H.265+/H.264+ encoding optimizes storage and transmission.

Advantages

The camera provides high-quality full HD imaging at up to 30 fps with strong low-light performance (minimum illumination down to 0.0005 lux) and IR support for dark environments. Powerful 25x optical zoom with accurate pan/tilt/zoom mechanics enables detailed observation at long range. Onboard AI features — perimeter protection, SMD 4.0, auto-tracking and face detection with multiple attributes — improve event accuracy and make searching events easier. Smart encoding reduces bandwidth and storage requirements.

Suitable for

• Perimeter and perimeter-entry monitoring of commercial and industrial sites
• Parking lots and roadway surveillance where long-range zoom is required
• Public buildings, warehouses and large indoor spaces mounted on ceilings
• Low-light or nighttime surveillance scenarios

Key specifications

• Model: DH-SD5A225GB-HNR (Dahua WizSense)
• Resolution: 1920 x 1080 (Full HD)
• Frame rate: up to 30 fps
• Optical zoom: 25x; Digital zoom: 16x
• Low-light sensitivity: minimum 0.0005 lx; Starlight technology
• Mounting: ceiling; Placement: indoor & outdoor
• Connectivity: wired Ethernet (no Wi‑Fi)
• Product colours: black, white; Weight: 4.7 kg

How to use

Install the camera on a suitable ceiling mount following local electrical and mounting codes. Connect the device to a PoE-capable network switch or to a power source and wired Ethernet network. Configure the camera through Dahua-compatible NVR software or web/ONVIF interface to set resolution, frame rate and encoding (Smart H.265+/H.264+). Adjust pan, tilt and zoom mechanically or via software to cover the desired field of view. Enable analytics features — perimeter protection, SMD 4.0, auto-tracking and face detection — and tune sensitivity and rules to match the scene and reduce false alarms.

Recommendations

For reliable long-range surveillance and accurate event detection, mount the camera at a stable ceiling position with a clear line of sight, use wired Ethernet/PoE for power and data, and adjust AI detection parameters to the specific environment (for example, raise sensitivity thresholds in areas with vegetation or heavy traffic). Regularly update firmware and verify IR and Starlight performance in low-light conditions.