Lorex Connect U3 4K PoE Turret Camera with Red & Blue Deterrence Lights (Cable not included)
What's Included
U3 4K POE Turret Camera
Mounting Hardware
Weather-Resistant Cap
Camera & Imaging
Video Transmission
Technology
IP
Image Sensor 1/2.7” CMOS
Lens Type Fixed 2.8 mm, F1.6
Min Illumination Color: 0.006 Lux / B/W (IR On): 0 Lux
Max Resolution 3840 (H) × 2160 (V)
Resolution / Frame Rate 4K (8 MP) @ 20 fps
Field of View (FoV) Diagonal: 128°
Horizontal: 110°
Vertical: 58°
Minimum Focusing Distance 5.9 ft (1.8 m)
Wide Dynamic Range (WDR) Yes
True WDR 120 dB
Electronic Shutter Speed 1/3– 1/100,000 s (DWDR ON / OFF)
White Balance Auto/Manual
Video & Audio
Video Compression H.264 / H.265
Video Bitrate 11 Kbps – 13 Mbps
Video Output Network (RJ45)
Microphone Yes
Night Vision & Active Deterrence
Infrared (IR) Night Vision
Range
Up to 98 ft (30 m) in total darkness
Color Night Vision & Smart
Illumination
Yes
Active Deterrence Light Red and Blue Lights
AI Smart Features
AI Motion Detection Smart Motion Detection, Line
Crossing, Area intrusion, Region
Entrance, Region Exiting. Face
Detection, Face Detection
Storage & Power
Local Storage MicroSD Card Slot (up to 512 GB)*
Power Supply PoE (Power over Ethernet, IEEE
802.3af) / 12 V DC
Maximum Power
Consumption
6.5 W
Network & Integration
Ethernet Interface RJ45 (10/100 BASE-T)
ONVIF Supported
Network Protocols TCP/IP, ICMP, HTTP, HTTPS, FTP,
DHCP, DNS, DDNS, RTP, RTSP, RTCP,
NTP, IGMP, UPnP, SMTP, UPnP-TM
Physical & Environmental
Housing Material Metal
Color White
Operating Temperature -40°F to 140°F (-40°C to 60°C)
4.07” / 103.38 mm
3.24” / 82.3 mm
2.74” / 69.5 mm
3 - 0.18” / 4.5 mm
3.35” / 85.0 mm
Product Specifications
U3 2K+ Turret
Lorex Connect U3 4K POE Turret Camera
Series Family: U
Series Line: U3
SKU: CN251A-1T-AB1
Lorex Corporation
10440 Little Patuxent Parkway, Ste, 300,
Columbia, MD 21044, United States
© 2026 Lorex Corporation
As our product is subject to continuous improvement, Lorex Technology & subsidiaries reserve the right to modify
product design, specifications & prices without notice and without incurring any obligation. E&OE. www.lorex.com 01282026-1
Disclaimers:
1. Compatible with select Lorex Network Video Recorders. For a full list of compatible recorders, visit: www.lorex.com/compatibility.
2. Color nighttime video may switch to black & white infrared (IR) night vision when there is insufficient ambient light to ensure optimal low-light image quality.
3. Stated IR illumination range is based on ideal conditions in typical outdoor nighttime ambient lighting (up to 98 ft (30 m) in total darkness). Actual range and image clarity
depend on installation location, viewing area, and light reflection or absorption.
4. Audio recording is disabled by default. Audio recording without consent is illegal in certain jurisdictions. Lorex Technology does not assume liability for any use of its products
that fails to comply with local laws.
5. Not intended for submersion in water. Installation in a sheltered location recommended.
6. Cable length is dependent on product configuration. See product packaging for details.
Video Transmission
Technology
IP
Image Sensor 1/2.7” CMOS
Lens Type Fixed 2.8 mm, F1.6
Min Illumination Color: 0.006 Lux / B/W (IR On): 0 Lux
Max Resolution 3840 (H) × 2160 (V)
Resolution / Frame Rate 4K (8 MP) @ 20 fps
Field of View (FoV) Diagonal: 128°
Horizontal: 110°
Vertical: 58°
Minimum Focusing Distance 5.9 ft (1.8 m)
Wide Dynamic Range (WDR) Yes
True WDR 120 dB
Electronic Shutter Speed 1/3– 1/100,000 s (DWDR ON / OFF)
White Balance Auto/Manual
Video & Audio
Video Compression H.264 / H.265
Video Bitrate 11 Kbps – 13 Mbps
Video Output Network (RJ45)
Microphone Yes
Night Vision & Active Deterrence
Infrared (IR) Night Vision
Range
Up to 98 ft (30 m) in total darkness
Color Night Vision & Smart
Illumination
Yes
Active Deterrence Light Red and Blue Lights
AI Smart Features
AI Motion Detection Smart Motion Detection, Line
Crossing, Area intrusion, Region
Entrance, Region Exiting. Face
Detection, Face Detection
Storage & Power
Local Storage MicroSD Card Slot (up to 512 GB)*
Power Supply PoE (Power over Ethernet, IEEE
802.3af) / 12 V DC
Maximum Power
Consumption
6.5 W
Network & Integration
Ethernet Interface RJ45 (10/100 BASE-T)
ONVIF Supported
Network Protocols TCP/IP, ICMP, HTTP, HTTPS, FTP,
DHCP, DNS, DDNS, RTP, RTSP, RTCP,
NTP, IGMP, UPnP, SMTP, UPnP-TM
Physical & Environmental
Housing Material Metal
Color White
Operating Temperature -40°F to 140°F (-40°C to 60°C)
4.07” / 103.38 mm
3.24” / 82.3 mm
2.74” / 69.5 mm
3 - 0.18” / 4.5 mm
3.35” / 85.0 mm
Product Specifications
U3 2K+ Turret
Lorex Connect U3 4K POE Turret Camera
Series Family: U
Series Line: U3
SKU: CN251A-1T-AB1
Lorex Corporation
10440 Little Patuxent Parkway, Ste, 300,
Columbia, MD 21044, United States
© 2026 Lorex Corporation
As our product is subject to continuous improvement, Lorex Technology & subsidiaries reserve the right to modify
product design, specifications & prices without notice and without incurring any obligation. E&OE. www.lorex.com 01282026-1
Disclaimers:
1. Compatible with select Lorex Network Video Recorders. For a full list of compatible recorders, visit: www.lorex.com/compatibility.
2. Color nighttime video may switch to black & white infrared (IR) night vision when there is insufficient ambient light to ensure optimal low-light image quality.
3. Stated IR illumination range is based on ideal conditions in typical outdoor nighttime ambient lighting (up to 98 ft (30 m) in total darkness). Actual range and image clarity
depend on installation location, viewing area, and light reflection or absorption.
4. Audio recording is disabled by default. Audio recording without consent is illegal in certain jurisdictions. Lorex Technology does not assume liability for any use of its products
that fails to comply with local laws.
5. Not intended for submersion in water. Installation in a sheltered location recommended.
6. Cable length is dependent on product configuration. See product packaging for details.