Dahua DH-HAC-B1A21P-U-IL Bullet Camera 2Y WARRANTY

📸 Key Specifications

🖼️ Image & Video

• Resolution: 2 MP Full HD (1920 × 1080).

• Image Sensor: 1/2.7″ CMOS sensor.

• Frame Rate: Up to 30 fps @1080p.

• Scanning System: Progressive.

• Video Output: HDCVI standard (can also support TVI/AHD/CVBS on many units via BNC coax).

🌙 Night & Dual‑Light System

• Smart Dual Light: Combines IR illumination and warm light LEDs → improves visibility at night with less overexposure.

• IR Illumination Distance: Up to ~30 m.

• Warm Light Distance: Typically ~20 m.

• Day/Night Mode: Auto switch with ICR (infrared cut filter) for accurate day/night color separation.

🎯 Lens & Field of View

• Fixed‑focal Lens: Options like 2.8 mm, 3.6 mm or 6 mm (depending on model).

  • 2.8 mm gives wide coverage (~100° horizontal).

  • 3.6 mm gives a narrower but deeper view (~80°).

• Fixed Iris: Simple, low‑maintenance design.

🛠️ Installation & Build

• Form Factor: Bullet‑style camera — easy to mount on walls or ceilings.

• Weatherproof Rating: IP67 — dust‑tight and water‑resistant, suitable for outdoor use.

• Operating Temp: Typically works from −40 °C to +60 °C.

• Power: 12 V DC (coax power) or optional PoC (Power over Coax) on some variants.

🧠 Additional Features

• Wide Dynamic Range (WDR)/DWDR: Helps balance bright and dark areas.

• 2D Noise Reduction (NR): Reduces grain in low light.

• Privacy Masking & BLC: Optional masking and backlight compensation.

• Flexibility: Works with most DVRs supporting CVI/TVI/AHD/CVBS.

💡 Where It’s Used

Ideal for:

• Outdoor building entrances, yards, driveways.

• Indoor hallways or retail spaces.

• Analog/CVI DVR systems upgrading to higher resolution.

📌 Summary

The Dahua DH‑HAC‑B1A21P‑U‑IL is a 2 MP Full HD, Smart Dual Light HDCVI bullet camera with long‑range night vision (IR + warm light), robust IP67 outdoor build, and flexible video output for DVR systems — a practical choice for cost‑effective security setups with clear day/night surveillance.