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4K Ultra HD Wired 4 channel Security System with 4 cameras

1 Extra 60ft. Extension Cable + 2-Year Extended Warranty

Included Warranty

Exclusive Bundle Items-

4K Ultra HD Wired 4 channel Security System with 4 cameras
1x Additional 60ft. Extension Cable ($46 Value)
2-Year Warranty ($47 Value)

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.
8 Megapixel UHD Sensor
Infrared LED Night Vision
No Contracts or Monthly Fees
128-bit Bank-Level Encryption
Remote Mobile Viewing
4.1 Stars on Amazon
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).
Internet Optional Remain secure even if the
Internet goes down.
Reliable Connection A wired system means you’ll
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.
Withstanding Sub-Zero Cameras operate down to -40 °C.

Always Connected

Live Notifications


Receive instant alerts to your phone when motion is detected
Live Notifications

Live View

View live or recorded footage on the go directly from the app
Live Notifications

Live View

Live Notifications

Save & Share

Easily download and share footage from the app

Free Storage That Goes On. And On.

Advanced video compression with a local 1TB HDD means you won’t need to transfer, overwrite or delete footage often, giving you the ultimate coverage for your home or business.
Motion Detection
Set a Schedule
24/7 Recording
4K 1TB Systems:
4K (3840 × 2160) Resolution Recording (8 FPS) 1TB (1-4 cameras) = 408 Hours (Average Recording Time)
5MP (2560× 1920) Resolution Recording (15 FPS) 1TB (1-4 cameras) = 480 Hours (Average Recording Time)
1080P (1920 × 1080) Resolution Recording (25 FPS) 1TB (1-4 cameras) = 720 Hours (Average Recording Time)
Model Number
4K1T4B4V2 4KCBL60V2 (x1) 4K1T4B4V2-2YRW
What's Included
  1. 1TB DVR with 1TB HDD
  2. 4 x 4K Analog Cameras
  3. 6 x Camera BNC Extension Cables (18.2 m/60 ft)
  4. 1x Cable Coupler
  5. USB Mouse
  6. HDMI Cable (1 m/3.2 ft)
  7. Ethernet Cable (1.5 m/5 ft)
  8. DVR Power Supply
  9. Camera Power Supply
  10. Camera Power Splitter
  11. 4 x Camera Mounting Hardware
  12. Window Warning Sticker (3in x 2in)
  13. Quick Start Guide
  14. 2-Year Warranty
Size and Weight
4 Channel DVR: 7.8 inches (200 mm) × 8.3 inches (210 mm) × 1.9 inches (49 mm) 3.49 lb (1.58 kg)
tech-specs-slider tech-specs-slider
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)
Resolution: 8MP | 4K Ultra HD 3840 × 2160 (8,294,400 pixels) Frame Rate: 15fps
*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 (8 FPS): 1 TB (1 - 4 cameras) = 408 Hours (Average Recording Time)
5MP (2560× 1920) Resolution Recording (15 FPS): 1 TB (1 - 4 cameras) = 408 Hours (Average Recording Time)
1080P (1920 × 1080) Resolution Recording (25 FPS): 1 TB (1 - 4 cameras) = 720 Hours (Average Recording Time)
tech-specs-slider tech-specs-slider
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 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
Defender 4K Series: Camera SKU: 4KCB1 DVR SKUs: 4K1T4, 4K2T8, 4K4T16
Comparison Chart
Country of Origin
Made in China

Support Videos

How to Setup and Activate the Defender 4K (8MP) DVR Security System
How to Watch and Save Footage on Defender 4K (8MP) DVR Security System
How to Setup the Defender 24-7 App with Defender 4K
How to Reset Your DVR Password on the Defender 4K (8MP) DVR Security System
Experience True Security and Capture Your #DefenderMoments
"The app itself utilizes 128-bit encryption. This is the same level of encryption used by major banks, as well as Apple’s “unhackable” phone encryption"
"The daytime image quality and resolution are absolutely the best you’ll find at this price point"

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)? +
Which app do the 4K Security Systems use?+
How can I share my footage easily?+
How can I watch my footage on a large screen?+
How Many Hours of Recording Time Can I Get?+
Product Comparison Chart+