Dahua Technology A42BJA2 HDCVI 4MP Night Color Eyeball 2.8mm Multi-format Security Camera



Dahua Technology Pro Series A42BJA2 4MP Outdoor HD Analog Eyeball Camera

4MP Color 2.8mm HDCVI Eyeball with Night Color Technology

Experience the superior clarity of Dahua’s 4 MP HDCVI eyeball camera for vast coverage and superior image details. The 4 MP HDCVI series leverages existing coax infrastructures to deliver forensic-level images seamlessly and over long distances. The camera offers a 2.8 mm fixed lens, a multi-language On-screen Display, and HD/SD switchable output. The camera is ideal for hosting diverse applications — Night Color and True Wide Dynamic Range allow the camera to operate in any lighting condition and the IP67 rating makes the camera suitable for the harshest environments.


    • 1/1.79-in. 4 MP Progressive-scan CMOS Sensor
    • 4 MP (2560 x 1440) at 30 fps Maximum Resolution
    • 2.8 mm Fixed Lens
    • Night Color Technology for Color Images in near-dark Applications
    • True Wide Dynamic Range (120 dB) and 2D/3D Noise Reduction
    • Supports Multiple Video Formats: HDCVI, CVBS, AHD and TVI
    • Built-in Microphone
    • HD or SD Output, Switchable
    • IP67 Ingress Protection
    • Five-year Warranty (for products sold through an authorized Dahua dealer)

Dahua Technology A42BJA2 Specs

Sensor 4 MP 1/1.79” CMOS
Focal Length 2.8mm
Maximum Aperture f/1.6
Lens Field of View Horizontal: 112.7°
Vertical: 60.2°
Minimum Illumination Color: 0.002 Lux
Shutter Speed 1/100,000 to 1/3 Seconds
Camera Angle Adjustment Horizontal: 0 to 360°
Vertical: 0 to 78°
Video Output
Video Output Connectors 1 x BNC (AHD / HD-CVI / HD-TVI / Component)
Output Formats AHD, HD-CVI, HD-TVI:
2560 x 1440 at 30 fps
640 x 480 at 30 fps
Automatic Gain Control Yes
Audio I/O 1 x RCA Input
Built-In Mic Yes
Built-In Speaker No
System Integration
Event Trigger None
Operating Temperature -40 to 140°F / -40 to 60°C
Startup Temperature -40°F / -40°C
Storage Temperature -40 to 140°F / -40 to 60°C
Operating Humidity 90%
IP Rating IP67
Recording Media None
Pan/Tilt None
I/O Connections 1 x Power
Certifications CSA, EN 50130-4, EN 55024, FCC (Part 15 Class B), UL, as per Manufacturer
Internal Storage None
Power Source DC
Power Consumption 7.1 W
Material of Construction Aluminum
Dimensions ø: 4.2 x H: 3.9″ / ø: 10.7 x H: 9.9 cm
Weight 1.1 lb / 0.5 kg
Packaging Info
Package Weight 1.485 lb
Box Dimensions (LxWxH) 6.1 x 6.1 x 5.4″

Additional information

Weight 2 lbs
Dimensions 7 × 7 × 6 in