Dahua / HDCVI / 4MP / Eyeball Camera / Fixed / 2.8mm Lens / Outdoor / WDR / IP67 / Night Color / Built-in Microphone / 5 Year Warranty / DH-A42BJA2 Dahua

SLK-DH-A42BJA2

Experience the superior clarity of the Dahua A42BJA2 4MP 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
• Designed for Extreme Temperature Environments
• Five-year Warranty (applies to products sold through an authorized Dahua Dealer.)
• Become a registered dealer of Dahua
• Call (855) 928-0349 for Dealer Prices!

Technical Specifications

Series	Pro
Body	Eyeball
Image Sensor	1/1.79-in. CMOS Sensor
Resolution	4 MP (2560 x 1440)
Angle of View	Horizontal: 112.7° Vertical: 60.2°
Lens Type	Fixed lens, Fixed iris
Focal Length	2.8 mm
Min. Illumination	Color: 0.002 lux at F1.6
Day/Night	Color
WDR	120 dB
Video Output	One (1) BNC, Transmits HDCVI High-definition signal or CVBS, AHD or TVI Channel, switchable
Frame Rate	4 MP at 30 fps or 1080p at 30 fps
IP Rating	67
Operating Temp	–40° C to +60° C (–40° F to +140° F)
Power	12 VDC ± 30% < 7.1 W
Camera
Image Sensor	1/1.79-in. CMOS Sensor
Effective Pixels	2560 (H) x 1440 (V), 4 MP
Scanning System	Progressive
Electronic Shutter Speed	1/3 s to 1/100,000 s
Minimum Illumination	Color: 0.002 lux at F1.6
S/N Ratio	More than 65 dB
Lens
Lens Type	Fixed Lens / Fixed Iris
Mount Type	Board-in
Focal Length	2.8 mm
Maximum Aperture	F1.6
Angle of View	Horizontal: 112.7° Vertical: 60.2°
Focus Control	Auto, Manual
Close Focus Distance	1300.0 mm (51.18 in.)
DORI¹ Distance – Detect	58 m (190 ft)
DORI¹ Distance – Observe	23 m (76 ft)
DORI¹ Distance – Recognize	12 m (38 ft)
DORI¹ Distance – Identify	6 m (19 ft)
Pan/Tilt/Rotation
Range	Pan: 0° to 360° Tilt: 0° to 78° Rotation: 0° to 360°
Video
Maximum Resolution	4 MP (2560 x 1440)
Frame Rate	4 MP at 30 fps or 1080p at 30 fps
Video Output	One (1) BNC, Transmits HDCVI High-definition signal or CVBS, AHD or TVI Channel, switchable
Video Transmission²	RG-59/U Coax: 720p: 800 m (2624.67 ft), 1080p: 500 m (1640.42 ft), 4 MP: 500 m (1640.42 ft) RG-6/U Coax: 720p: 1200 m (3937.01 ft), 1080p: 800 m (2624.67 ft), 4 MP: 700 m (2296.59 ft) CAT 6 UTP: 720p: 450 m (1476.38 ft), 1080p: 300 m (984.25 ft), 4 MP: 300 m (984.25 ft)
Day/Night	Color
OSD Menu	Multi-language
Backlight Compensation	BLC, HLC, True WDR
WDR	120 dB
Gain Control	AGC
Noise Reduction	2D, 3D
White Balance	Auto, Manual
Certifications
CE	EN55032 EN55024 EN50130-4
Safety	UL60950-1 CAN/CSA C22.2 No.60950-1
Electromagnetic Compatibility (EMC)	FCC CFR 47 Part 15 subpart B, ANSI C63.4-2014
Interface
Audio³	Input: One (1) Channel, RCA Jack, plus One (1) Built-in Microphone
Electrical
Power Supply	12 VDC ±30%
Power Consumption	Maximum 7.1 W (12 VDC)
Environmental
Operating Conditions	–40° C to +60° C (–40° F to +140° F), Less than 90% RH Initiate startup above –40° C (–40° F)
Storage Conditions	–40° C to +60° C (–40° F to +140° F), Less than 90% RH
Ingress Protection	IP67
Construction
Casing	Aluminum
Dimensions	ø106.0 mm x 99.20 mm (ø4.17 in. x 3.90 in.)
Net Weight	0.50 kg (1.10 lb)
Gross Weight	0.62 kg (1.37 lb)

1. The DORI distance is a measure of the general proximity for a specific classification to help pinpoint the right camera for your needs. The DORI distance is calculated based on sensor specifications and lab test results according to EN 62676-4 , the standard that defines the criteria for the Detect, Observe, Recognize and Identify classifications. 2.  Transmission distance results verified by real-scene testing in Dahua’s test laboratory. Actual transmission distances may vary due to external influences, cable quality, and wiring structures. 3. The default audio input is via the built-in microphone; users must access the Advanced menu to switch the audio input to the cable option. The camera accepts audio from only one input source.

 

Downloads

• Data Sheet
• Operation Manual

Functions:

Night Color Technology
Dahua cameras with Night Color Technology incorporate a high-performance sensor and a large aperture lens to produce crisp, clear color images in low light environments. This light-sensitive technology allows the camera to capture more available light and reproduce color images with superior detail and contrast. Dahua Night Color Technology cameras are ideal for applications with at least 1 lux of ambient or artificial light, including parking lots, schools, urban streets and museums.

Three Signals over One Coaxial Cable
HDCVI technology simultaneously transmits video, audio, and data over a single coaxial cable. Dual-way data transmission allows the HDCVI camera to communicate with an HCVR to send control signals or to trigger alarms.

Long Distance Transmission
HDCVI technology guarantees real-time transmission over long distances without loss of video quality. HDCVI cameras provide the same resolution as most IP network camera systems using existing RG-59, RG-6, or CAT 6 UTP cabling.

Simplicity
HDCVI technology seamlessly integrates traditional analog surveillance systems with upgraded, high-quality HD video, making it the best choice to protect security investments. The plug and play approach enables full HD video surveillance without the hassles of configuring a network.

Broadcast-quality Audio
Audio information is used as supplementary evidence in video surveillance applications. This HDCVI camera transmits audio signals over the coaxial cable, eliminating the need for separate audio wiring. In addition, the camera uses unique audio processing and transmission technology that eliminates noise to best duplicate source audio, guaranteeing high-quality and highly effective audio information.

Multiple-format Support
The camera supports multiple video formats including, HDCVI, CVBS, AHD, and TVI. The camera can switch between these four formats via the OSD menu or the switch located on the video output cable, making the camera compatible with not only HDCVI DVRs but also most existing HD / SD DVRs.

True Wide Dynamic Range
The camera achieves vivid images, even in the most intense contrast lighting conditions, using industry-leading wide dynamic range (WDR) technology. For applications with both bright and low lighting conditions that change quickly, True WDR (120 dB) optimizes both the bright and dark areas of a scene at the same time to provide usable video.

Protection
The camera is subjected to rigorous dust and water immersion tests and certified to the IP67 Ingress Protection rating making it suitable for demanding outdoor applications. The camera allows for ±30% input voltage tolerance, suitable for the most unstable conditions for outdoor applications, and its 4KV lightning rating provides effective protection for both the camera and its structure against lightning.