United States$5,000,000+
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Ethan Moore
5
Flexible varifocal dome with clear 2MP output.
DS-2CD3721G0-IZ
2MP Varifocal Dome Network Camera
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Name:
DS-2CD3721G0-IZ
- Description:
- 2MP Varifocal Dome Network Camera
- Rating:
Added to cart 28 times recently
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- Brand:
- Hikvision
- Condition:
3 Year Extended Warranty
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DS-2CD3721G0-IZ Overview
DS-2CD3721G0-IZ is an IP bullet camera delivering 2MP resolution with a fixed lens that provides clear and detailed images. It features infrared night vision with an effective range of 30m, a 1/3" CMOS sensor, and efficient H.265 video compression for optimal bandwidth and storage usage.
Designed for diverse surveillance needs including indoor retail environments, perimeter defense, license plate recognition, and warehouse monitoring, this camera supports PoE connectivity and ONVIF compliance while offering local storage via a MicroSD slot. Its robust weather-resistant housing ensures reliable operation in outdoor conditions.
DS-2CD3721G0-IZ price is is available on request. Get immediate quote.
Request bulk order quote for DS-2CD3721G0-IZ for additional pricing. Browse the full Hikvision Ultra (Smartip) Series Network Cameras series or explore all Hikvision products.
DS-2CD3721G0-IZ Specifications
- Product Type
- Security Camera
- Camera Type
- Bullet
- Technology
- IP Camera
- Resolution
- 2MP
- Lens Type
- Fixed
- Smart Features
- Motion Detection
- Mounting Type
- Wall
- Color
- Black
- Use Case
- Indoor / Retail / Perimeter Protection / Warehouse
- Focal Length
- 2.8mm
- Image Sensor
- 1/3" CMOS
- Frame Rate
- 30 FPS
- Infrared Night Vision
- 30m
- Low Light Technology
- EXIR
- Day/Night Mode
- True Day/Night (ICR)
- Video Compression
- H.265
- Audio Support
- No Audio
- Storage Option
- MicroSD Slot
- Max Storage Capacity
- N/A
- Power Type
- PoE
- Weather Rating
- IP67
- Vandal Resistance
- None
- ONVIF Compliant
- Yes
- Product Name
- DS-2CD3721G0-IZ
- Height
- 6.3 inches
- Width
- 2.0 inches
- Depth
- 2.0 inches
- Weight
- 1.8 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| DS-2CD3721G0-IZ |  DS-2CD3745G0-IZS |  DS-2CD3063G0-I |  DS-2CD3163G0-I(S) |  DS-2CD50C5G0-(AP) | |
|---|---|---|---|---|---|
| Product Type | Security Camera | Security Camera | Security Camera | Security Camera | Security Camera |
| Camera Type | Bullet | Turret | Bullet | Dome | Bullet |
| Technology | IP Camera | IP Camera | IP Camera | IP Camera | IP Camera |
| Resolution | 2MP | 4MP | 6MP | 2MP | 5MP |
| Lens Type | Fixed | Fixed | Fixed | Fixed | Fixed |
| Smart Features | Motion Detection | N/A | N/A | Motion Detection | Motion Detection |
| Mounting Type | Wall | Ceiling | Wall | Ceiling | Wall / Ceiling / Pole |
| Color | Black | Black | Black | White | Black |
| Use Case | Indoor / Retail / Perimeter Protection / Warehouse | Indoor, Retail, Perimeter Protection, Parking Lots, Warehouse | Retail / Perimeter Protection / Warehouse | Indoor / Retail / Perimeter Protection / Warehouse | Indoor / Retail / Office Security / Perimeter Protection / Parking Lots / Warehouse / Public Transit / High-Security Zone |
| Focal Length | 2.8mm | 4mm | 2.8mm | 2.8mm | 4mm |
| Image Sensor | 1/3" CMOS | 1/3" CMOS | 1/3" CMOS | 1/3" CMOS | 1/2.8" CMOS |
| Frame Rate | 30 FPS | 30 FPS | 30 FPS | 30 FPS | 30 FPS |
| Infrared Night Vision | 30m | 30m | 30m | 30m | 30m |
| Low Light Technology | EXIR | EXIR | EXIR | EXIR | EXIR |
| Day/Night Mode | True Day/Night (ICR) | True Day/Night (ICR) | True Day/Night (ICR) | True Day/Night (ICR) | True Day/Night (ICR) |
| Video Compression | H.265 | H.265+ | H.265 | H.265+ | H.265+ |
| Audio Support | No Audio | No Audio | No Audio | No Audio | No Audio |
| Storage Option | MicroSD Slot | MicroSD Slot | MicroSD Slot | MicroSD Slot | MicroSD Slot |
| Max Storage Capacity | N/A | 128 GB | 128 GB | 256 GB | 128 GB |
| Power Type | PoE | PoE | PoE | PoE | PoE |
| Weather Rating | IP67 | IP67 | IP67 | IP67 | IP67 |
| Vandal Resistance | None | N/A | N/A | N/A | N/A |
| ONVIF Compliant | Yes | Yes | Yes | Yes | Yes |
| Product Name | DS-2CD3721G0-IZ | DS-2CD3745G0-IZS | DS-2CD3063G0-I | DS-2CD3163G0-I(S) | DS-2CD50C5G0-(AP) |
| Height | 6.3 inches | 4.4 inches | 6 inches | 3.1 inches | 3.5 inches |
| Width | 2.0 inches | 3.1 inches | 2 inches | 3.1 inches | 3.0 inches |
| Depth | 2.0 inches | 3.1 inches | 2 inches | 4.1 inches | 2.5 inches |
| Weight | 1.8 lbs | 1.98 lbs | 0.66 lbs | 1.1 lbs | 1.3 lbs |
Reviews & Ratings
B
Bushra Anjum
5
Reliable indoor dome with stable imaging.
P
Philip Turner
5
Easy setup and consistent performance.
N
Naveed Iqbal
5
Works well for offices and corridors.
T
Tomasz Wojcik
5
Solid camera for everyday use.
Questions & Answers
What is the image resolution of the DS-2CD3721G0-IZ 2MP Varifocal Dome Network Camera?
The DS-2CD3721G0-IZ delivers a true 2-megapixel resolution at 1920 × 1080 pixels, providing crisp, detailed images for live monitoring and recorded surveillance.
How does the motorized varifocal lens work on the DS-2CD3721G0-IZ?
The DS-2CD3721G0-IZ features a 2.8–12 mm motorized varifocal lens, allowing remote adjustment of field of view between 100° and 32° without manual intervention, ensuring precise framing.
Does the DS-2CD3721G0-IZ support Power over Ethernet (PoE)?
Yes, the DS-2CD3721G0-IZ supports IEEE 802.3af PoE, enabling data and power transmission over a single Ethernet cable for simplified installation.
What is the night vision range of the DS-2CD3721G0-IZ?
Equipped with built-in IR LEDs, the DS-2CD3721G0-IZ offers up to 30 meters (98 feet) of true day/night surveillance with automatic IR cut filter switching.
Is the DS-2CD3721G0-IZ suitable for outdoor installation?
Yes, the DS-2CD3721G0-IZ is rated IP67 for dust and water resistance and IK10 for vandal resistance, making it ideal for demanding outdoor environments.
What video compression formats are supported by the DS-2CD3721G0-IZ?
The DS-2CD3721G0-IZ supports H.265+, H.265, H.264+, H.264 and MJPEG, optimizing bandwidth and storage usage while maintaining high image quality.
How do I configure motion detection on the DS-2CD3721G0-IZ?
Access the camera’s web interface or Hik-Connect app, navigate to Event Settings → Basic Event → Motion Detection, define detection zones, adjust sensitivity, and enable notifications.
Can the DS-2CD3721G0-IZ record locally?
Yes, the DS-2CD3721G0-IZ includes a microSD/SDHC/SDXC card slot supporting up to 256 GB for onboard storage and continuous or event-triggered recording.
What network protocols does the DS-2CD3721G0-IZ support?
The DS-2CD3721G0-IZ supports TCP/IP, HTTP, HTTPS, 802.1x, QoS, FTP, DHCP, DNS, RTSP, RTP, RTCP, NTP and SMTP, ensuring flexible integration with network infrastructures.
How does the DS-2CD3721G0-IZ handle wide dynamic range scenes?
With 120 dB true wide dynamic range (WDR), the DS-2CD3721G0-IZ balances strong backlighting and shadows, delivering clear images in high-contrast environments.
What mobile applications are compatible with the DS-2CD3721G0-IZ?
The DS-2CD3721G0-IZ integrates with Hik-Connect and iVMS-4500 for iOS and Android, providing real-time monitoring, playback and event notifications on mobile devices.
Can I integrate the DS-2CD3721G0-IZ with third-party VMS?
Yes, the DS-2CD3721G0-IZ is ONVIF Profile S compliant, enabling seamless integration with most third-party video management systems and NVRs.
What is the power consumption of the DS-2CD3721G0-IZ?
The DS-2CD3721G0-IZ consumes a maximum of 6.5 W in PoE mode and 8 W when powered via 12 V DC, ensuring energy-efficient operation.
Does the DS-2CD3721G0-IZ offer tamper detection?
Yes, the DS-2CD3721G0-IZ supports tamper detection and alarm functions, alerting you if the camera is moved, covered or spray painted.
What environmental conditions can the DS-2CD3721G0-IZ withstand?
The DS-2CD3721G0-IZ operates reliably in temperatures from –40 °C to 60 °C (–40 °F to 140 °F) and up to 95% relative humidity (non-condensing).
How do I update firmware on the DS-2CD3721G0-IZ?
Download the latest firmware from the official Hikvision website and update via the camera’s web interface under Maintenance → Upgrade, following on-screen instructions.