Hikvision DS-2CD2043G2-IU 4MP AcuSense Bullet Camera with Audio, 4mm Lens
Hikvision DS-2CD2043G2-IU 4MP AcuSense Bullet Camera with Audio, 4mm Lens
Out of stock
Description
Description
Smart Security That Focuses on What Actually Matters
The Hikvision DS-2CD2043G2-IU (4mm) is designed for buyers who want clear evidence, fewer false alarms, and confidence that their security system is working for them—not against them. With 4MP resolution, AcuSense human and vehicle classification, and a built-in microphone, this camera delivers practical, real-world protection where it counts most. It’s built to perform day or night, indoors or outdoors, without demanding constant attention.
Why Buyers Choose This Model
Buyers choose this camera because it reduces noise—both visually and operationally. Instead of reacting to every shadow or passing animal, AcuSense technology helps ensure alerts are tied to real human or vehicle activity. Combined with strong low-light performance, efficient compression, and audio recording, this model offers a balanced solution for professionals and serious home users alike.
Key Features & Real-World Benefits
- 4 MP (2688 × 1520) resolution — capture sharper details so faces, vehicles, and actions are easier to recognize during review.
- AcuSense human & vehicle classification — dramatically reduces false alerts, saving time and lowering alert fatigue.
- 4 mm fixed lens with balanced field of view — ideal for entrances, driveways, and perimeter areas where clarity matters more than ultra-wide coverage.
- Built-in microphone (-IU) — adds audio context to video, giving you more complete incident evidence.
- Infrared night vision up to 40 m — maintains visibility after dark so coverage doesn’t stop when the lights go out.
- 120 dB Wide Dynamic Range — handles bright backlight and shadows, helping keep subjects visible in challenging lighting.
- H.265+ video compression — reduces bandwidth and storage usage without sacrificing image quality.
- IP67-rated housing — built for outdoor environments with protection against dust, rain, and harsh weather.
- PoE or 12 VDC power options — simplifies installation and gives flexibility in system design.
What This Helps You Avoid
This camera helps you avoid the frustration of constant false alarms that pull your attention away from real issues. It reduces missed details caused by poor lighting, glare, or low-resolution footage. You also avoid unnecessary storage costs thanks to efficient compression. Most importantly, it helps eliminate the uncertainty of wondering whether an alert is serious—or just another distraction.
What’s in the Box
- Hikvision DS-2CD2043G2-IU Fixed Bullet Network Camera (4 mm)
- Camera mounting hardware (as supplied by manufacturer)
- Optional accessories available separately (e.g., junction box)
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Product Support & Shipping Details
Product Support & Shipping Details
We move quickly so you don’t have to wait, place your order before 3pm EST and it ships out the same day, with everything else going out the next business day. Most customers see their package in about 3 business days, giving you a smooth, predictable delivery experience.
For Support you’re never on your own with us. if something comes up, our U.S.-based support team is here to help you troubleshoot, set up, or get answers fast. We make sure you always know exactly what to do next so your product keeps working the way you need it to.
30 Day Returns & Money Back Guarantee
30 Day Returns & Money Back Guarantee
If the product isn’t the right fit, no worries—our 30-day money-back guarantee gives you the space to try it without the pressure. You can return it within 30 days as long as it’s in its original condition. And to keep things simple, you can start the return right from your account, no hassle, no long back-and-forth.
Downloads
Product Manuals, data sheets.
Downloads
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DS-1280ZJ-XS
Accessories & Mounts Available
Technical Specifications
Hikvision DS-2CD2043G2-IU (4mm) 4MP AcuSense Fixed Bullet Network Camera
If you’re tired of alerts that feel like “everything but the threat,” the DS-2CD2043G2-IU is built to calm that down. Hikvision AcuSense uses deep learning to focus on human and vehicle targets, so you can spend less time chasing false alarms and more time feeling confident your coverage is doing its job. It delivers 4MP clarity, handles harsh lighting with 120 dB WDR, and keeps storage/bitrate efficient with H.265+. Plus, the -IU variant includes a built-in microphone for real-time audio security.
Key Features
- 4 MP imaging — clear detail for identifying people and vehicles. :contentReference[oaicite:1]{index=1}
- AcuSense human/vehicle classification — fewer nuisance alerts, faster response. :contentReference[oaicite:2]{index=2}
- 120 dB WDR — clearer images in strong backlight (doorways, sun glare, headlights). :contentReference[oaicite:3]{index=3}
- H.265+ — more efficient compression to help reduce bandwidth/storage use. :contentReference[oaicite:4]{index=4}
- Built-in microphone (-IU) — adds real-time audio to your video evidence. :contentReference[oaicite:5]{index=5}
- IP67 — water and dust resistant for outdoor installs. :contentReference[oaicite:6]{index=6}
Camera
Lens (4 mm Variant)
Illuminator
Video
Audio (-IU)
Network
Image
Interface & Storage
Events & Deep Learning Functions
General
Power, Operating Conditions, Dimensions & Weight
Compliance, Protection & Environment
Available Model
Accessories Found
Ideal Applications (Common Uses)
- Entrances & driveways — 4MP detail + WDR helps when people walk out of bright daylight or headlights hit the lens.
- Retail storefronts & small business exteriors — human/vehicle classification reduces “busy street” nuisance alerts.
- Warehouses & loading docks — perimeter protection (line crossing/intrusion) helps flag what matters after-hours.
- Parking areas — IR up to 40 m supports nighttime visibility for general scene awareness.
- Residential perimeter coverage — IP67-rated housing handles outdoor weather and dust.
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Downloads
Frequently Asked Questions
The DS-2CD2043G2-IU delivers a maximum resolution of 2688 × 1520 (4 MP). This level of detail is designed to clearly capture people and vehicles within the scene, making it easier to review footage for identification and verification. The camera supports multiple frame rates depending on region, up to 30 fps, ensuring smooth video playback for both live viewing and recorded footage.
Yes, the camera includes AcuSense deep learning technology for human and vehicle classification. According to the datasheet, motion detection, line crossing detection, and intrusion detection can all distinguish between humans, vehicles, and other objects. This helps reduce false alarms caused by animals, rain, or moving shadows, allowing users to focus on events that actually matter.
The -IU variant includes a built-in microphone for audio recording. The datasheet specifies support for multiple audio compression formats, including G.711, G.722.1, AAC-LC, MP3, and PCM. Audio sampling rates range from 8 kHz up to 48 kHz, allowing the camera to capture clear environmental sound alongside video.
The camera is rated at 0.005 Lux in color mode and 0 Lux with IR enabled. It features built-in infrared illumination with a range of up to 40 meters. Combined with a mechanical IR cut filter and 120 dB wide dynamic range, this allows the camera to maintain usable image quality in complete darkness and challenging lighting.
The 4 mm fixed lens provides a horizontal field of view of 84°, a vertical field of view of 45°, and a diagonal field of view of 100°. This makes it suitable for monitoring entrances, driveways, and perimeter areas where moderate coverage and detail are both important. The datasheet also includes DORI values for estimating detection and identification distances.
The camera supports H.265, H.264, H.265+, and H.264+ on the main stream. Sub-stream and third-stream options are also available with H.265, H.264, and MJPEG support. These compression options help reduce storage and bandwidth usage while maintaining image quality, especially when H.265+ is enabled.
Yes, the DS-2CD2043G2-IU is rated IP67 for dust and water resistance. The datasheet specifies an operating temperature range of -30 °C to 60 °C with up to 95% non-condensing humidity. This makes it suitable for outdoor use in a wide range of weather conditions.
The camera can be powered using 12 VDC or Power over Ethernet (PoE). It supports IEEE 802.3af PoE with a maximum power consumption of approximately 7 W. This flexibility allows for simpler installations, especially when using PoE to reduce cabling.
Yes, the camera includes a built-in microSD card slot supporting cards up to 512 GB. This allows for local recording directly on the camera without requiring an NVR. The datasheet also notes support for network storage options such as NAS using NFS or SMB/CIFS.
The camera is compatible with iVMS-4200, Hik-Connect, and Hik-Central client software. It supports a wide range of network protocols including TCP/IP, HTTP, HTTPS, RTSP, RTP, ONVIF Profile S and G, and IPv6. According to the datasheet, up to 32 users can access the camera with different permission levels.

