📌 Key Features & Specs
📸 Image & Video
Resolution: 2 MP Full HD (1920 × 1080).
Sensor: 1/2.7″ CMOS.
Frame Rate: Up to 25/30 fps @ 1080P.
Video Output: CVI (HD), TVI/AHD/CVBS switchable on many versions.
Scanning: Progressive for smoother motion.
🔦 Night Vision
📐 Lens & View
Fixed Lens: Usually 3.6 mm giving ~93° horizontal view (2.8 mm or 6 mm may be optional).
Fixed Focus: No autofocus; simple, robust design.
🏠 Build & Durability
Form Factor: Bullet‑style camera — easy wall or ceiling mount.
Weather Resistance: IP67 dust/waterproof, suitable for outdoor conditions.
Housing: Durable plastic for general purpose installation.
🔌 Power & Installation
🛠 2 Year Warranty (“2Y”)
When a seller lists the DH‑HAC‑B1A21P with “2Y” warranty:
Coverage: Typically 2 years warranty covering defects in materials and workmanship under normal use.
How It Works: You must usually keep proof of purchase and register or file a claim through the authorized reseller or service center.
What’s Included: Warranty usually covers repair or replacement of a faulty unit (not damage from misuse, water ingress due to improper installation, physical damage, etc.).
Note: Warranty terms can vary by seller and region — always confirm with the shop you buy from.
📊 Good For
✅ Home or small business monitoring
✅ Parking areas and building entrances
✅ Simple, wired HDCVI DVR systems
✅ Costs‑sensitive surveillance solutions
📌 In Summary
The Dahua DH‑HAC‑B1A21P is a basic 2 MP HDCVI bullet camera that delivers 1080p video, night IR up to ~20 m, and weather‑proof IP67 build, ideal for straightforward security needs. When labeled with 2Y warranty, you get two years of coverage for manufacturer defects (terms vary by seller).
