Dahua / HDCVI / 2MP / Eyeball Camera / Fixed / 2.8mm Lens / Outdoor / WDR / IP67 / 50m IR / Starlight / 5 Year Warranty / DH-A21CG02
Dahua / HDCVI / 2MP / Eyeball Camera / Fixed / 2.8mm Lens / Outdoor / WDR / IP67 / 50m IR / Starlight / 5 Year Warranty / DH-A21CG02
Dahua
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SLK-DH-A21CG02
Experience the superior clarity of Dahua’s A21CG02 2 MP HDCVI Camera for vast coverage and superior image details. The 2 MP HDCVI series leverages existing coax infrastructures to deliver forensic-level images seamlessly and over long distances. The camera uses a progressive-scan CMOS sensor and next-generation ISP chip technology developed by Dahua to deliver stunning video with a wide field of view. This home-grown ISP features the latest image processing algorithms and is optimized for surveillance camera operations.
- 1/2.8-in. 2 MP Progressive-scan CMOS Sensor
- 1080p at 30 fps Maximum Resolution
- 2.8 mm Fixed Lens
- Multi-format Output (HDCVI, CVBS, AHD, and TVI)
- HD and SD Output, Switchable
- Starlight Technology for Low-light Applications
- Maximum IR Length 50 m (164 ft), Smart IR
- Built-in Microphone
- IP67 Ingress Protection
- Five-year Warranty (for products sold through an authorized Dahua Dealer)
- Become a registered dealer of Dahua
- Call (855) 928-0349 for Dealer Prices!
Techincal Specifications
| Series: | Lite |
| Body: | Eyeball |
| Image Sensor: | 1/2.8-in. CMOS |
| Resolution: | 2 MP, 1920(H) x 1080(V) |
| Angle of View: | Horizontal: 106° |
| Lens Type: | Fixed lens, Fixed iris |
| Focal Length: | 2.8 mm |
| Min. Illumination: | Color: 0.005 lux at F1.6 (30 IRE) 0 lux with IR on |
| Day/Night: | Auto (ICR), Manual |
| Max. IR Range: | Up to 50.0 m (164.04 ft) |
| WDR: | Digital WDR |
| Video Output: | One (1) BNC HDCVI High-definition Channel or One (1) BNC CVBS, AHD or TVI Channel, switchable |
| Frame Rate: | 1080p at 30 fps 720p at 30/60 fps |
| Audio In: | 1 (Built-in Microphone) |
| Audio Out: | 0 |
| Alarm In: | 0 |
| Alarm Out: | 0 |
| IP Rating: | 67 |
| IK Rating: | - |
| Operating Temp: | –40° C to +60° C (–40° F to +140° F) Less than 90% RH |
| Power: | 12 VDC ±30% < 4.7 W |
| Camera | |
| Image Sensor | 1/2.8-in. CMOS |
| Effective Pixels | 1920(H) x 1080(V), 2 MP |
| Scanning System | Progressive |
| Electronic Shutter Speed | 1/30 to 1/100,000 s |
| Minimum Illumination | Color: 0.005 lux at F1.6 (30 IRE) 0 lux with IR on |
| S/N Ratio | More than 65 dB |
| IR Distance | Up to 50.0 m (164.04 ft) |
| IR On/Off Control | Auto, Manual |
| IR LEDs | One (1) |
| Lens | |
| Lens Type | Fixed lens, Fixed iris |
| Mount Type | Board-in |
| Focal Length | 2.8 mm |
| Max Aperture | F1.6 |
| Horizontal Angle of View | 106.0° |
| Close Focus Distance | 600.0 mm (23.60 in.) |
| DORI² Distance - Detect - (8 ppf) | 39 m (127 ft) |
| DORI² Distance - Observe - (19 ppf) | 15 m (51 ft) |
| DORI² Distance - Recognize - (38 ppf) | 8 m (25 ft) |
| DORI² Distance - Identify - (76 ppf) | 4 m (13 ft) |
| Installation Angle | |
| Range | Pan: 0° to 360° Tilt: 0° to 78° Rotation: 0° to 360° |
| Video | |
| Resolution | 1080p (1920 x 1080) |
| Frame Rate | 1080p at 30 fps 720p at 30/60 fps |
| Video Output | One (1) BNC HDCVI High-definition Channel or One (1) BNC CVBS, AHD or TVI Channel, switchable |
| Video Transmission³ - RG-59/U Coax | 720p: 800 m (2624.67 ft) 1080p: 500 m (1640.42 ft) |
| Video Transmission³ - RG-6/U Coax | 720p: 1200 m (3937.01 ft) 1080p: 800 m (2624.67 ft) |
| Video Transmission³ - CAT 6 UTP (balun required) |
720p: 450 m (1476.38 ft) 1080p: 300 m (984.25 ft) |
| Day/Night | Auto (ICR), Manual |
| On-screen Display Menu | Multi-language (Chinese, English, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, and Spanish) |
| BLC Mode | BLC, HLC, DWDR |
| WDR | Digital WDR |
| Gain Control | AGC |
| Noise Reduction | 2D |
| White Balance | Auto, Manual |
| Smart IR | Auto, Manual |
| Certifications | |
| Safety | UL60950-1+CAN/CSA C22.2 No.60950-1 |
| Electromagnetic Compatibility (EMC) | FCC CFR 47 Part 15 Subpart B ANSI C63.4-2014 EN55032, EN55024, EN50130-4 |
| Interface | |
| Audio | Built-in Microphone⁴ |
| Electrical | |
| Power Supply | 12 VDC ±30% |
| Power Consumption | 4.7 W Maximum (12 VDC, IR on) |
| 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 | Aluminium |
| Dimensions | ø106.0 mm x 93.70 mm (ø4.17 in. x 3.69 in.) |
| Net Weight | 0.44 kg (0.97 lb) |
| Gross Weight | 0.62 kg (1.37 lb) |
1. Requires PoC Transceivers for each channel and an external 24 VDC or 36 VDC power supply for each transceiver. 2. 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. 3. 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. 4. The Dahua X21A, X22A, and the X32A Series HDCVI Digital Video Recorders do not support this camera's audio over coax feature.
Downloads
Functions
Three Signals over One Coaxial Cable
HDCVI technology simultaneously transmits three signals (video, power, 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. HDCVI along with PoC technology delivers power¹ to devices at the edge, simplifying installation.
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.
Starlight Technology
For challenging low-light applications, Dahua’s Starlight low light Technology offers best-in-class light sensitivity, capturing details in low light applications. The camera uses a set of optical features to balance light throughout the scene, resulting in clear images in dark environments.
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.
Smart IR
With IR illumination, detailed images can be captured in low light or total darkness. The camera’s Smart IR technology adjusts the intensity of the camera’s infrared LEDs to compensate for the distance of an object. Smart IR technology prevents IR LEDs from whitening out images as they come closer to the camera. The camera’s integrated infrared illumination provides high-performance in extreme low-light environments up to 50 m (164 ft).
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.
Multi-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
Environmental
With a built-in heater and a temperature range of –40 °C to +60 °C (–40 °F to +140 °F), the camera is designed for extreme temperature environments. Subjected and certified to rigorous dust and water immersion tests, the IP67 rating makes it suitable for demanding outdoor applications. Supporting a ±30% input voltage tolerance, this camera suits even the most unstable power supply conditions. Its 4KV lightning rating provides protection against the camera and its structure from the effects of lightning.
