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Hikvision 4MP AcuSense Gen 2 Strobe Light and Audible Warning Outdoor Fixed Bullet Network Camera, 50m IR

High quality imaging with 4 MP resolution
Excellent low-light performance via powered-by-DarkFighter technology
Efficient H.265+ compression technology
Clear imaging against strong back light due to 120 dB true WDR technology
False alarm reduction through human and vehicle target classification based on deep learning
Strobe light and audio alarm to warn intruder off
Water and dust resistant (IP66)
80 m IR distance for bright night imaging
Robust structure design with full metal materials
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$361.00 $288.00  


AcuSense can accurately distinguish people and vehicles from other moving objects which reduces the amount of false video motion alarms by up to 95 percent. Powered by Hikvision's Darkfighter technology, AcuSense Gen2 can deliver clear cut images even in the lowest lighting conditions of 0.003 Lux at F1.4 (4MP). AcuSense Gen2 activations will generate alarm events which will be searchable when reviewing recorded footage for specific incidents. This saves many man hours of wasted time reviewing irrelevant video trying to identify an event saving time and money for the end customers.

  • SD-Card
  • 3D-DNR
  • WDR
  • H.265
  • IR
  • IP66

Hikvision AcuSense Technology

AcuSense technology helps you take security to the next level with accurate, real-time threat detection that distinguishes people and vehicles from other targets.

Take your security to the next level

Hikvision’s AcuSense technology embeds deep-learning algorithms into security cameras and video recorders to equip businesses and homeowners with smart tools to take security to the next level, both indoors and outdoors.


AcuSense technology detects intrusion threats in real time and triggers alerts to users’ mobile phones for faster response.

More accurate

AcuSense technology differentiates people and vehicles from other moving objects, allowing security teams to focus on real threats. High-end camera models with AcuSense also use Hikvision’s ColorVu technology for 24/7 color imaging.

More efficient

AcuSense technology applies labels to recorded video footage with people and vehicles, speeding up video searches, minimizing manual effort, and reducing overall security costs.

Easy to use

AcuSense-enabled smart cameras are installed quickly and are as easy to configure as conventional security cameras. The technology puts AI security at everyone’s disposal.

How does AcuSense work?

AcuSense technology uses advanced machine vision AI algorithms built into Hikvision security cameras and video recorders to boost home and business security. Check the diagram below for details.

How does AcuSense work

Built-in sound and strobe-light alarms

Select models of AcuSense-enabled security cameras offer built-in sirens and strobe-light alarms. Even better, these cameras can broadcast custom voice messages to warn trespassers to leave a restricted area.

Accurately labels humans and vehicles for fast video searches

AcuSense technology creates a label in the video timeline every time a person or vehicle appears. Using this innovative tracking capability, end-users can quickly search video footage for targets of interest.

Where to use AcuSense

Our customers use AcuSense-enabled products for a wide range of residential and business applications. Hikvision customers are currently using AcuSense technology to protect indoor and outdoor areas at: Homes, Factories, Warehouses, Shops, Parking areas, And more

A funny and informative story of smart home security cameras. Watch the video:

AcuSense scenarios at a glance

Alarm receiving center / monitoring center

Being able to focus on human and vehicle-triggered alarms with minimal distraction greatly improves work efficiency.


Now I get notified when people are entering the warehouse, not when a cat runs into the area.

Restricted Areas

It's great that I can use my security camera to verbally warn anyone who approaches the area.


I instantly get alerts and can check with my phone when someone walks into my yard.

Hikvision 6MP Outdoor Bullet Camera Powered by Darkfighter, 50m IR, IP67 | DS-2CD2T65G1-I5/18​​​​​​​



  • Image Sensor1/3" Progressive Scan CMOS
  • Max. Resolution2688 × 1520
  • Min. IlluminationColor: 0.003 Lux @ (F1.4, AGC ON), B/W: 0 Lux with IR
  • Shutter Time1/3 s to 1/100,000 s
  • Day & NightIR cut filter
  • Angle AdjustmentPan: 0° to 360°, tilt: 0° to 90°, rotate: 0° to 360°


  • Lens TypeFixed focal lens, 2.8, 4, and 6 mm optional
  • Focal Length & FOV:

    2.8 mm, horizontal FOV: 103°, vertical FOV: 55°, diagonal FOV: 123°

    4 mm, horizontal FOV: 83°, vertical FOV: 45°, diagonal FOV: 98°

    6 mm, horizontal FOV: 53°, vertical FOV: 29°, diagonal FOV: 62°

  • Lens Mount: M12
  • Iris TypeFixed
  • ApertureF1.4


  • DORI:

    2.8 mm: D: 60.0 m, O: 23.8 m, R: 12.0 m, I: 6.0 m

    4 mm: D: 80.0 m, O: 31.7 m, R: 16.0 m, I: 8.0 m

    6 mm: D: 120.0 m, O: 47.6 m, R: 24.0 m, I: 12.0 m


  • Supplement Light TypeIR
  • Supplement Light RangeUp to 60 m
  • Smart Supplement LightYes
  • IR Wavelength850 nm


  • Main Stream:

    50 Hz: 25 fps (2688 × 1520, 1920 × 1080, 1280 × 720)

    60 Hz: 30 fps (2688 × 1520, 1920 × 1080, 1280 × 720)

  • Sub-Stream:

    50 Hz: 25 fps (640 × 480, 640 × 360)

    60 Hz: 30 fps (640 × 480, 640 × 360)

  • Third Stream:

    50 Hz: 10 fps (1920 × 1080, 1280 × 720, 640 × 480, 640 × 360)

    60 Hz: 10 fps (1920 × 1080, 1280 × 720, 640 × 480, 640 × 360)

    *Third stream is supported under certain settings.

  • Video Compression:

    Main stream: H.265/H.264/H.265+/H.264+

    Sub-stream: H.265/H.264/MJPEG

    Third stream: H.265/H.264

    *Third stream is supported under certain settings.

  • Video Bit Rate32 Kbps to 8 Mbps
  • H.264 Type: Baseline Profile/Main Profile/High Profile
  • H.265 TypeMain Profile
  • Bit Rate ControlCBR/VBR
  • Scalable Video Coding (SVC)H.264 and H.265 encoding
  • Region of Interest (ROI)1 fixed region for main stream and sub-stream


  • Audio TypeMono sound
  • Audio CompressionG.711ulaw/G.711alaw/G.722.1/G.726/MP2L2/PCM/MP3/AAC
  • Audio Bit Rate64 Kbps (G.711ulaw/G.711alaw)/16 Kbps (G.722.1)/16 Kbps (G.726)/32 to 192 Kbps (MP2L2)/8 to 320 Kbps (MP3)/16 to 64 Kbps (AAC)
  • Audio Sampling Rate8 kHz/16 kHz/32 kHz/44.1 kHz/48 kHz
  • Environment Noise FilteringYes


  • Simultaneous Live ViewUp to 6 channels
  • APIOpen Network Video Interface (PROFILE S, PROFILE G, PROFILE T), ISAPI, SDK
  • User/HostUp to 32 users. 3 user levels: administrator, operator and user
  • SecurityPassword protection, complicated password, HTTPS encryption, IP address filter, Security Audit Log, basic and digest authentication for HTTP/HTTPS, TLS 1.1/1.2, WSSE and digest authentication for Open Network Video Interface
  • Network Storage:

    MicroSD/SDHC/SDXC card (256 GB) local storage, and NAS (NFS, SMB/CIFS), auto network replenishment (ANR)

    Together with high-end Hikvision memory card, memory card encryption and health detection are supported

  • ClientiVMS-4200, Hik-Connect, Hik-Central
  • Web Browser:

    Plug-in required live view: IE 10+

    Plug-in free live view: Chrome 57.0+, Firefox 52.0+

    Local service: Chrome 57.0+, Firefox 52.0+


  • Image Parameters SwitchYes
  • Image SettingsRotate mode, saturation, brightness, contrast, sharpness, gain, white balance adjustable by client software or web browser
  • Day/Night SwitchDay, Night, Auto, Schedule
  • Wide Dynamic Range (WDR):120 dB
  • SNR≥ 52 dB
  • Image EnhancementBLC, HLC, 3D DNR


  • Ethernet Interface1 RJ45 10 M/100 M self-adaptive Ethernet port
  • On-Board StorageBuilt-in micro SD/SDHC/SDXC slot, up to 256 GB
  • Built-in MicrophoneYes
  • Built-in SpeakerPower: 2 W. Max. sound pressure level: 10 cm: 97 dB.
  • Audio:

    1 input (line in), terminal block, max. input amplitude: 3.3 Vpp, input impedance:2.2 KΩ, interface type: non-equilibrium;

    1 output (line out), terminal block, max. output amplitude: 3.3 Vpp, output impedance: 10 Ω, interface type: non-equilibrium

  • Alarm

    Visual alarm

    1 input, 1 output (max. 24 VDC/24 VAC, 1 A)

  • Reset KeyYes


  • Basic EventMotion detection (human and vehicle targets classification), video tampering alarm, exception
  • Smart Event:

    Line crossing detection, intrusion detection, region entrance detection, region exiting detection

    Scene change detection

  • LinkageUpload to NAS/memory card/FTP, notify surveillance center, trigger recording, trigger capture, send email, strobe light, audible warning

Deep Learning Function

  • Face CaptureYes


  • Power:

    12 VDC ± 25%, 0.88 A, max. 10.5 W, Ø5.5 mm coaxial power plug

    PoE: 802.3af, Class 3, 36 V to 57 V, 0.34 A to 0.21 A, max: 12 W

  • DimensionØ105 mm × 287.6 mm (Ø4.1" × 11.3")
  • Package Dimension386 mm × 156 mm × 155 mm (15.2" × 7.5" × 7.1")
  • Approx.: 1135 g (2.5 lb.)
  • With Package WeightApprox. 1624 g (3.6 lb.)
  • Storage Conditions-30 °C to 60 °C (-22 °F to 140 °F). Humidity 95% or less (non-condensing)
  • Startup and Operating Conditions-30 °C to 60 °C (-22 °F to 140 °F). Humidity 95% or less (non-condensing)
  • Language

    33 languages

    English, Russian, Estonian, Bulgarian, Hungarian, Greek, German, Italian, Czech, Slovak, French, Polish, Dutch, Portuguese, Spanish, Romanian, Danish, Swedish, Norwegian, Finnish, Croatian, Slovenian, Serbian, Turkish, Korean, Traditional Chinese, Thai, Vietnamese, Japanese, Latvian, Lithuanian, Portuguese (Brazil), Ukrainian

  • General FunctionAnti-flicker, heartbeat, mirror, privacy mask, flash log, password reset via email, pixel counter


  • EMCFCC (47 CFR Part 15, Subpart B); CE-EMC (EN 55032: 2015, EN 61000-3-2: 2014, EN 61000-3-3: 2013, EN 50130-4: 2011 +A1: 2014); RCM (AS/NZS CISPR 32: 2015); IC (ICES-003: Issue 6, 2016); KC (KN 32: 2015, KN 35: 2015)
  • Safety:

    UL (UL 60950-1);

    CB (IEC 60950-1: 2005 + Am 1: 2009 + Am 2: 2013, IEC 62368-1: 2014 );

    CE-LVD (EN 60950-1: 2005 + Am 1: 2009 + Am 2: 2013, IEC 62368-1: 2014 );

    LOA (IEC/EN 60950-1)

  • EnvironmentCE-RoHS (2011/65/EU); WEEE (2012/19/EU); Reach (Regulation (EC) No 1907/2006)
  • ProtectionIP67 (IEC 60529-2013)



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