2 Extra 60ft. Extension Cables + 2-Year Extended Warranty
$492
$38
Included Warranty
Exclusive Bundle Items-
2x Additional 60ft. Extension Cables ($0 Value)
2-Year Warranty ($38 Value)
- OVERVIEW
- SPECS/SUPPORT
- REVIEWS

Not Just for the Pros
Combining a powerful ClearVu™ 8 Megapixel image sensor and advanced data compression technology, this powerful DIY 4K security system is designed to keep homes and small businesses safe, without professional installation and monthly service fees.


4K Ultra-HD gives you 8.3 million pixels, which is four times a standard 1080P security system. Combining our ClearVu™ image technology with an integrated IR cut filter gives you brilliant detail, day or night, so you can distinguish faces and license plates.
We’ve Got You Covered
Flexible Viewing
View with the free mobile app,
or on a TV or monitor (VGA/HDMI).
or on a TV or monitor (VGA/HDMI).
Internet Optional
Remain secure even if the
Internet goes down.
Internet goes down.
Reliable Connection
A wired system means you’ll
never have to deal with interference.
never have to deal with interference.
Rated IP67
Built to withstand rain, snow and dust.
Vandal Resistant
Unexposed wires and rigid mounts protect
against tampering.
against tampering.
Withstanding Sub-Zero
Cameras operate down to -40 °C.
Always Connected
4.6
4.3
Free Storage That Goes On. And On.
Advanced video compression with a local 2TB HDD means you won’t need to transfer, overwrite or delete footage often, giving you the ultimate coverage for your home or business.
4K 2TB Systems:
4K (3840 × 2160) Resolution Recording (8 FPS) 2TB (4-8 cameras) = 408 Hours (Average Recording Time)
4K (3840 × 2160) Resolution Recording (8 FPS) 2TB (4-8 cameras) = 408 Hours (Average Recording Time)
5MP (2560× 1920) Resolution Recording (15 FPS)
2TB (4-8 cameras) = 480 Hours (Average Recording Time)
1080P (1920 × 1080) Resolution Recording (25 FPS)
2TB (4-8 cameras) = 720 Hours (Average Recording Time)

Model Number
4K2T8B8V2
4KCBL60V2 (x2)
4K2T8B8V2-2YRW
What's Included

- 8 Channel DVR with 2TB HDD
- 8 x 4K Analog Cameras
- 10 x Camera BNC Extension Cables (18.2 m/60 ft)
- 2x Cable Couplers
- USB Mouse
- HDMI Cable (1 m/3.2 ft)
- Ethernet Cable (1.5 m/5 ft)
- DVR Power Supply
- 2 x Camera Power Supply
- 2x Camera Power Splitter
- 8 x Camera Mounting Hardware
- Window Warning Sticker (3in x 2in)
- Quick Start Guide
- 2-Year Warranty
Size and Weight

8 Channel DVR:
7.8 inches (200 mm) × 8.3 inches (210 mm) × 1.9 inches (49 mm)
3.49 lb (1.58 kg)


4K Camera:
2.32 inches (59 mm) x 2.24 inches (57 mm) x 6.29 inches (159.8 mm) length
0.38 lb (1.78 g)
Video
Resolution: 8MP | 4K Ultra HD 3840 × 2160 (8,294,400 pixels)
Frame Rate: 15fps
Storage
*Please Note:Footage must be exported from the DVR and played on a 4K device to view in 4K resolution.
4K (3840 × 2160) Resolution Recording:
2 TB (4 - 8 cameras) = 408 Hours (Average Recording Time)
5MP (2560× 1920) Resolution Recording: 2 TB (4 - 8 cameras) = 408 Hours (Average Recording Time)
1080P (1920 × 1080) Resolution Recording: 2 TB (4 - 8 cameras) = 720 Hours (Average Recording Time)
5MP (2560× 1920) Resolution Recording: 2 TB (4 - 8 cameras) = 408 Hours (Average Recording Time)
1080P (1920 × 1080) Resolution Recording: 2 TB (4 - 8 cameras) = 720 Hours (Average Recording Time)
Camera


8.29 MP progressive scan CMOS sensor
3.6 mm lens with 79° horizontal FOV
0.01 Lux min illumination
Up to 100 ft night vision
Audio
Audio over HDMI
1 channel input (via RCA) and 1 channel output (via RCA)
Power and Operating Temperatures
DVR:
12 V DC power supply
-10 °C to 55 °C operating temperature
Camera:
12 V DC power supply
4.8 W max power consumption
-40 °C to 60 °C operating temperature
DVR I/O Ports

RCA: 1 channel audio input and 1 channel audio output
1 SATA port (Support up to 6TB hard drive)
RJ45 ethernet port
USB 2.0 port and USB 3.0 port
App and Connectivity
Defender 24-7 app for iOS 10+ and Android 7.0+
LAN, DHCP, and DDNS wired network support
Compatibility
Defender 4K Series:
Camera SKU: 4KCB1
DVR SKUs: 4K1T4, 4K2T8, 4K4T16
Comparison Chart

Country of Origin
Made in China
Support Videos


Frequently asked questions
Does Defender Provide Free Shipping?+
What is the Return Policy?+
What is Defender's Price Match Guarantee?+
Are these 4K Security Systems wireless?+
What is the difference between 4K (8 Megapixel) and 2K (4 Megapixel)?
+
Can I allow other people to view my NVR remotely?+
How many hours of recorded footage can the Sentinel NVR store?+
Can I view my live or recorded footage from a web browser?+
Is Sentinel compatible with other Defender Camera security system?+
Can I Extend My Camera’s Ethernet Cable?+
Product Comparison Chart+
Protecting Americans for over 20 Years.