Hikvision DS-2CD1T27G3-LIU/LSRB 4mm Overview
The Hikvision DS-2CD1T27G3-LIU/LSRB 4mm is a 2 MP ColorVu 3.0 fixed bullet network camera designed for professional IP CCTV monitoring in homes, offices, estates, schools, hotels, retail shops, warehouses and commercial facilities.
This LIU/LSRB 4mm variant features SoundMax, two-way audio via camera and Hik-Connect, red and blue strobe light, audio alarm, Smart Hybrid Light and Motion Detection 3.0 for human and vehicle detection. It is suitable for locations where clear monitoring, visible deterrence and audio alerting are required.
Key Benefits of the Hikvision DS-2CD1T27G3-LIU/LSRB 4mm
- 2 MP ColorVu 3.0 Imaging: Delivers 1920 × 1080 resolution for clear everyday CCTV monitoring.
- SoundMax Alarm Audio: Produces a louder alarm sound to help deter trespassers.
- HikAI-ISP Noise Reduction: Helps improve image clarity in low-light and challenging scenes.
- Smart Hybrid Light: Integrates IR and white light with three supplemental lighting modes.
- Red and Blue Strobe Light: The LSRB variant uses red and blue flashing light for visible alerting.
- Strobe Light and Audio Alarm: Supports active visual and audio deterrence for monitored areas.
- Two-Way Audio: Supports two-way audio via the camera and Hik-Connect.
- Built-in Microphone and Speaker: Includes one built-in microphone and a built-in speaker.
- Motion Detection 3.0: Supports alarm triggering by specified target types, including human and vehicle.
- Outdoor-Ready Protection: IP67 water and dust resistance supports outdoor CCTV installation.
Professional Bullet CCTV Camera for Installers and Businesses
The Hikvision DS-2CD1T27G3-LIU/LSRB 4mm is suitable for CCTV installers, system integrators, offices, estates, schools, hotels, retail shops, warehouses, parking areas, gates and facility monitoring projects. Its 4mm lens makes it practical for more focused monitoring compared with wider-angle options.
Smart Hybrid Light with SoundMax Deterrence
With Smart Hybrid Light, the camera combines IR and white light to support flexible monitoring across different lighting conditions. The LSRB variant adds red and blue strobe light plus SoundMax audio alarm, making it useful for areas where visible and audible alerting is required.
Recommended Use Cases
- Office and business premises CCTV monitoring
- Estate gate and perimeter surveillance
- School, hotel and church security projects
- Retail shop and warehouse monitoring
- Outdoor CCTV installations for installers and integrators
- Security areas requiring two-way audio and strobe alerting
Technical Specifications
| Product Brand | Hikvision |
|---|---|
| Product Model | DS-2CD1T27G3-LIU/LSRB 4mm |
| Product Type | 2 MP ColorVu 3.0 Fixed Bullet Network Camera with SoundMax |
| Image Sensor | 1/2.8" Progressive Scan CMOS |
| Max. Resolution | 1920 × 1080 |
| Minimum Illumination | Color: 0.0005 Lux @ F1.0, AGC ON; 0 Lux with light |
| Shutter Time | 1 s to 1/100,000 s |
| Day & Night | IR cut filter |
| Angle Adjustment | Pan: 0° to 360°, tilt: 0° to 180°, rotate: 0° to 360° |
| Lens Type | Fixed focal lens |
| Focal Length | 4 mm |
| 4 mm Field of View | Horizontal 88°, vertical 47°, diagonal 103° |
| Lens Mount | M12 |
| Iris Type | Fixed |
| Aperture | F1.0 |
| Depth of Field | 4 mm: 1.3 m to ∞ |
| DORI Distance | 4 mm: Detect 53 m, Observe 21 m, Recognize 10 m, Identify 5 m |
| Supplement Light Type | IR and White Light |
| Supplement Light Range | Up to 50 m |
| Smart Supplement Light | Yes |
| IR Wavelength | 850 nm |
| Main Stream | 50 Hz: 25 fps; 60 Hz: 30 fps at 1920 × 1080 and 1280 × 720 |
| Sub-Stream | 50 Hz: 25 fps; 60 Hz: 30 fps at 640 × 480 and 640 × 360 |
| Video Compression | Main stream: H.265+/H.265/H.264+/H.264; Sub-stream: H.265/H.264/MJPEG |
| Video Bit Rate | 32 Kbps to 8 Mbps |
| Audio Type | Mono sound |
| Audio Compression | G.711ulaw/G.711alaw/G.722.1/G.726/MP2L2/PCM/AAC-LC/MP3 |
| Audio Sampling Rate | 8 kHz / 16 kHz |
| Environment Noise Filtering | Yes |
| Two-Way Audio | Supported via camera and Hik-Connect for LSL/LSRB variants |
| Built-in Microphone | Yes, 1 built-in microphone |
| Built-in Speaker | Yes, max. power consumption 2 W; max. sound pressure level 10 cm: 90 dB |
| SoundMax | Supported; produces a louder alarm sound to deter trespassers |
| Flashing Light | Red and blue light for LSRB variant |
| Motion Detection | Motion detection with alarm triggering by specified target types: human and vehicle |
| Wide Dynamic Range | 120 dB WDR |
| Image Enhancement | BLC, HLC, 3D DNR |
| Privacy Mask | 4 programmable rectangular privacy masks |
| Ethernet Interface | 1 RJ45 10M/100M self-adaptive Ethernet port |
| API | ONVIF Profile S, Profile G, Profile T; ISAPI; SDK |
| Client Software | iVMS-4200, Hik-Connect |
| On-board Storage | NA for LIU/LSRB variant |
| Reset Key | NA for LIU/LSRB variant |
| Audio Interface | NA |
| Alarm Interface | NA |
| Power Supply | 12 VDC ± 25%, 1.1 A, max. 13 W |
| PoE | IEEE 802.3at, Class 4, max. 14 W |
| Material | Front cover: metal; body: plastic; bracket: metal |
| Dimensions | 144.6 mm × 197 mm × 253 mm |
| Package Dimensions | 245 mm × 205 mm × 167 mm |
| Weight | Approx. 430 g |
| With Package Weight | Approx. 1190 g |
| Operating Conditions | -30 °C to 60 °C; humidity 95% or less, non-condensing |
| Protection | IP67 |
| Available Model Used | DS-2CD1T27G3-LIU/LSRB(4mm) |
| Warranty | Needs confirmation |
Why Choose the Hikvision DS-2CD1T27G3-LIU/LSRB 4mm?
Choose the Hikvision DS-2CD1T27G3-LIU/LSRB 4mm if you need a 2 MP ColorVu 3.0 fixed bullet IP camera with SoundMax, Smart Hybrid Light, red and blue strobe light, two-way audio, built-in microphone and speaker, human and vehicle detection, PoE and IP67 outdoor protection.
Contact Datacomm Express to confirm current availability, warranty details and installation support.
Frequently Asked Questions
Is the Hikvision DS-2CD1T27G3-LIU/LSRB 4mm suitable for outdoor use?
Yes. The official datasheet lists IP67 protection, making it water and dust resistant for outdoor CCTV installation.
Does the DS-2CD1T27G3-LIU/LSRB support two-way audio?
Yes. The LSL and LSRB variants support two-way audio via the camera and Hik-Connect.
What type of strobe light does the LSRB variant use?
The LSRB variant uses red and blue flashing light according to the official Hikvision datasheet.
Does this camera have SoundMax?
Yes. The official datasheet states that SoundMax produces a louder alarm sound to deter trespassers.
Does the DS-2CD1T27G3-LIU/LSRB 4mm support memory card storage?
No. The official datasheet lists on-board storage as NA for the LIU/LSRB variant. Memory card support applies to LIUF variants only.
What lens does this product use?
This listing is for the 4mm variant. The official datasheet lists the 4mm model with 88° horizontal, 47° vertical and 103° diagonal field of view.
Does this camera support PoE?
Yes. The camera supports IEEE 802.3at PoE, Class 4.
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