Introduction: What the Hikvision 4MP AcuSense Turret Camera Offers
The Hikvision 4MP AcuSense Turret IP Camera (DS-2CD2346G2H-IS2U/SL) is a purpose-built outdoor surveillance camera that combines high-resolution imaging with intelligent analytics and active deterrence tools. With a 4 MP sensor, onboard deep‑learning person and vehicle classification (AcuSense), an integrated white strobe and audible siren, two-way audio and robust weatherproofing, this turret-style camera is designed for installations that need reliable detection, fewer false alarms and the ability to actively deter unwanted behaviour.
- 4 MP resolution(2688 × 1520) for clear image detail.
- AcuSensedeep‑learning person and vehicle classification to reduce nuisance alerts.
- Active deterrentsystem — built-in white strobe and siren (SL model) to warn or scare off intruders.
- Low light performancepowered by DarkFighter optimisation and Smart IR up to ~30 m.
- Robust outdoor designwith metal housing and IP67 rating for weather resistance.
- Flexible power and integration— PoE+ (802.3at) or 12 V DC, ONVIF compatible and microSD support.
Detailed specifications and the benefits they deliver
Understanding the technical specification helps explain why the DS-2CD2346G2H-IS2U/SL is a practical choice for many professional and commercial projects. Below is a breakdown of its most relevant specs and the real-world benefits each provides.
- Image sensor & resolution:A 1/3" progressive scan CMOS sensor captures 4 MP (2688 × 1520) video at up to 25/30 fps (region dependent). The result is sufficiently detailed footage for general identification, situational awareness and evidence collection without the storage overhead of ultra-high resolution cameras.
- Lens and field of view:The 2.8 mm fixed lens (approx. 100° horizontal) provides a wide view ideal for entrances, parking areas and retail fronts. A 4 mm option tightens the field to ~81° for longer-range monitoring.
- Low light & IR:DarkFighter optimisation and Smart IR (850 nm) deliver usable colour and monochrome footage in very low light. Smart IR extends usable night range to roughly 30 m depending on scene conditions.
- DORI ranges:For the 2.8 mm lens the camera can detect a person at around 63 m, observe at 25 m, recognise at 12 m and identify at 6 m — useful guidance when planning camera placement.
- 120 dB WDR & 3D‑DNR:Wide Dynamic Range helps in scenes with strong backlight (for example, doorways with bright exteriors and dark interiors). 3D noise reduction improves clarity in low light while reducing bitrate requirements.
- Compression:Support for H.265 / H.265+ and H.264 formats reduces network bandwidth and storage needs while preserving image fidelity.
- AcuSense deep learning:Person and vehicle filtering dramatically reduces false alarms from moving trees, animals, rain or shadows. This leads to fewer notifications, lower monitoring costs and faster response to genuine incidents.
- Two-way audio:Built-in microphone(s) and speaker allow operators to listen and speak through the camera — a useful feature for remote customer interactions or warnings.
- Built-in siren and strobe (SL model):The integrated white strobe and siren enable immediate on-site deterrence without separate devices. This can be used automatically via rules (for example, when AcuSense detects a person in a restricted zone) or manually from a monitoring station.
- Power:PoE+ (IEEE 802.3at) simplifies installations by delivering power and data over a single cable; a 12 V DC option provides flexibility for non-PoE systems. Typical/max power is around 18 W with deterrents active.
- Network compatibility:10/100 Mbps Ethernet and ONVIF support mean integration with a wide range of NVRs and VMS platforms.
- Storage:microSD card slot (regional/firmware dependent; commonly supported up to 256/512 GB) permits local recording and edge storage as a complement to central recording.
- IP67 weatherproofing:Metal housing and IP67 ingress protection make the camera suitable for outdoor use in harsh environments.
- Operating temperatures:Rated to roughly -30 °C to 60 °C, accommodating a wide range of climates.
- Form factor:A turret-style body (Ø138.3 × 115.4 mm, ~780 g) is visually unobtrusive and commonly used in commercial exteriors.
Use cases and scenarios where this camera excels
The DS-2CD2346G2H-IS2U/SL is tailored to applications that need reliable detection with active deterrence. Typical scenarios include:
- Retail storefronts and shopping centres:Wide field-of-view for entrances and pedestrian areas, AcuSense reduces false alarms from passing traffic while strobe/siren discourages loitering or theft.
- Car parks and perimeter security:Effective at detecting people and vehicles across large areas; active deterrent is useful for one-off incidents such as after-hours trespass.
- Commercial properties and offices:Two-way audio enables security personnel to communicate with visitors, couriers and contractors remotely.
- Small industrial sites and warehouses:Rugged build and WDR help capture usable footage in mixed lighting and outdoor conditions.
- Residential complexes and gated communities:Use at access points and shared parking to improve safety and reduce nuisance alarms.
Comparisons with similar products
When evaluating options, it helps to consider how the DS-2CD2346G2H-IS2U/SL stacks up against alternatives:
- Compared to non-AcuSense Hikvision models:The AcuSense deep-learning classification significantly reduces false positives compared with legacy motion detection cameras. For sites with high false alarm rates this can cut down monitoring costs and response fatigue.
- Compared to competing intelligent cameras (e.g., Dahua WizSense):Many competitors offer similar person/vehicle classification; differences often come down to integration, UI preference and local availability. Hikvision’s AcuSense is widely supported across its NVR and cloud ecosystem.
- Compared to higher-resolution models (e.g., 8 MP/4K):4 MP offers a good balance between useful detail and storage/network efficiency. 8 MP may provide finer identification at longer ranges but requires more bandwidth, storage and potentially higher cost.
- Compared to PTZ or multi-sensor cameras:Turret cameras are simpler, more affordable and less complex to install. For active tracking or very large areas a PTZ will be better, but for fixed-area monitoring with deterrence the Hikvision turret is cost-effective.
- Active deterrent advantage:Integrated strobe and siren differentiate the SL model from many basic cameras that require separate alerting devices.
Customer testimonials and illustrative feedback
Official customer reviews are not supplied here, so the following are illustrative examples of the kind of feedback installers and end users commonly report for cameras with these features:
- "We installed these on our retail strip and immediately noticed fewer false alarms. The staff appreciate the clear images and the strobe has already helped deter two incidents."
- "PoE+ made wiring straightforward and the two-way audio is handy for communicating with delivery drivers. Good value for what it offers."
- "As a contractor I like the metal housing and IP67 rating — they handle our coastal sites well. Integration with our NVR was seamless via ONVIF."
For authentic reviews consult reseller pages, integrator case studies or independent forums. Always verify how a camera performs in your specific environment during a trial or pilot deployment.
Conclusion: Why this camera is a strong choice
The Hikvision DS-2CD2346G2H-IS2U/SL combines intelligent analytics, practical image quality and active deterrence in a compact, weatherproof package. For professionals designing perimeter, retail or commercial surveillance it offers a strong balance of features: AcuSense reduces false alarms and saves monitoring time; the built-in strobe and siren allow immediate on-site action without extra devices; DarkFighter and WDR improve performance in challenging lighting; and PoE+ simplifies installation.
At the suggested retail price (indicative) the camera sits as a competitively priced option for installations that require more than basic video: you get analytics, two-way audio and an integrated deterrent system in a single unit. As with any security purchase, consider overall system architecture (NVR/VMS, storage strategy, legal/regulatory requirements for alarms) and test the camera in your environment before wide deployment.
Note:Check the official Hikvision datasheet and local regulations for compliance marks (CE/UKCA), microSD capacity limits by region/firmware, and guidance on audible/visual alarm usage. Warranty terms are set by the supplier or reseller, so confirm warranty and support at the point of purchase.
