Defender 8 Channel Security System with 500GB DVR, 4 600TVL Indoor/Outdoor Cameras, and 100’ Night Vision 

by Defender | Item  #: 443076 | Model #:  21024 |
Defender 8 Channel Security System with  500GB DVR, 4 600TVL Indoor/Outdoor Cameras, and 100’ Night Vision
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  • $ 229 88
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About this item

  • Record over 2 years’ worth of footage on the included 500 GB hard drive
  • Choose motion-activated recording or H.264 compression to maximize storage space
  • Monitor up to 100 feet away in complete darkness with automatic night vision
  • Advanced-resolution cameras provide crisp and detailed video





Trust Defender to make thieves and vandals think twice about approaching your property. Defender systems function just like a computer, with a mouse for pointing and clicking and an intuitive icon-based menu for easy set up and use. View anytime, anywhere with remote viewing via internet, smartphone, and tablet and receive email alerts, with photo, when motion is detected on your property. Record over 2 years' worth of footage on the included 500GB hard drive. Four all-weather cameras deliver clear, ultra high-quality video with 600TVL. 36IR LEDs allow for 100ft of automatic night vision. Expand this system up to 8 cameras for maximum surveillance indoors and outdoors. Anti-vandal mount ensures cameras cannot be tampered with and 65ft of cable allows for greater flexibility in mounting around your home or business. Don't give thieves a chance. Stop them with Defender!


Number of Cameras:4 Cameras with 600 TVL
Number of Channels:8 Channel
Hard Drive Space:500GB
Wired or Wireless:Wired
Average Minimum Setup Time:Less than 1 Hour
DVR Model: 21012
Number of Channels: 8
Number of Channels with Audio: 1
Hard Drive Size: 500GB
Maximum Hard Drive Expandability: 2TB
Recording Resolution:NTSC:D1(704*480),HD1(704*240),CIF(352*240)]
Recording Frames per Second:60 FPS/D1, 120 FPS/HD1, 240 FPS/CIF
Recording Compression:H.264
Recording Modes Available:Continuous, Scheduled, Motion Detection
Wireless Camera Receiver: Not Available
Video Motion Detection Recording: Yes
Pre-Event Recording/Capacity:Not Available
Mobile App Viewing:Yes: iPhone, iPad, Android, BlackBerry, Symbian, Windows Mobile
E-Mail Alert Notification:Yes
Maximum Number of Remote Viewers:10 
Playback and Search Options:2x, 4x, 8x
Data Backup Options:USB Flash drive
Digital Zoom: 2X
Pan-Tilt-Zoom Controls: Yes
Still Frame Capture: Not Available
Alarm Terminal Trigger Recording / # of Inputs: Not Available
External Alarm Ouput Contact(s): Not Available
Operating System:NSTC/PAL
Included Accessories:IR Remote Control, USB Mouse, Instruction Manual & Software CD, RCA video cable, Power Adapter, 2 BNC to RCA Adapters, 1 Year Warranty ]
Camera Cable Connection Type:BNC
Compatible Cameras:All Defender cameras, all 3rd party cameras with BNC connection
DVR Dimensions: 9 x 8.5 x 2”
Camera Model and Type:CMOS Hi Res Advanced Outdoor Security Camera
Number of Cameras:4
Image Sensor Type:CMOS Image Sensor with IR CUT filter
TV Lines:600 TV Lines
Resolution:600 TV Lines
Effective Pixels: 728x488
Aperture: 5.0mm
Focal Length (35mm Equivalent):5.0mm
Pan-Tilt-Zoom Capability:"No"
Optical Zoom: Not Available
Angle of View: 60
Color or Black and White: Color
Wireless Camera-DVR Connection: Not Available
Audio Capability: Not Available
Number of Infrared LEDs:36IR LED
Night Vision Distance: 100ft
Recommended for Outdoor Use:Yes
Weather Resistance (IP Rating): IP65
Operating Temperature: 0-122ºF
Operating Humidity: <90%
Tamper Protection: Yes
Compatible DVRs:Compatible with all Defender DVRs; compatible with all DVRs with BNC video input
Compatible Cables and Connector Type: BNC/DC
Length of Cable Included: 65ft
Camera Dimensions: 5 x 2.5 x 2.5”
Technical Support
Phone Number:1-866-946-7828
Hours of Availability:Monday - Friday 8:15am -5:00pm EST
Web Support URL:
Package Contents
DVR with 500GB HDD
4 Advanced Outdoor Security Cameras
4 65ft Extension Cables
Power Adapter
Four-to-One Power Splitter
Mounting Hardware
2 BNC to RCA Connectors
10ft RJ-45 Ethernet Cable
6ft Power Adapter (cUL certified)
6ft RCA video cable
Instruction Manual & Software CD
USB Mouse
IR Remote Controller with batteries
Quick Start Guide
Window Warning Stickers

Assembled Country


Assembled Size

  • 8.37"W x 9"L x 3.5"H
  • 2.25 lbs.
  • Component Country




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    Standard - 2 to 6 business days

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    Express - 1 to 2 business days

    Warranty Information

    1 year limited manufacturer's warranty.

    Televisions, laptop and desktop computers, projectors, digital music players, cameras, camcorders, and other electronics must be returned within ninety (90) days.

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