Extremely Easy to Set Up and Use This Defender system functions just like a computer, with a mouse for pointing and clicking and an intuitive icon-based menu that provides prompts and coaching to assist you in navigating the system. It’s even so simple to use it will begin recording as soon as it’s plugged in. View Your Camera Footage From Anywhere In The World Whether monitoring your business or home, view your camera footage live online, anytime and anywhere with PC or Mac. You can also view footage on almost any smartphone, including iPhone, BlackBerry, Android, Windows Mobile, or Symbian, as well as on your iPad and most major tablets. Instant Email Alerts If Activity Detected This Defender system is designed to send you an email alert, complete with photo, if any motion is detected on your property or if any of your cameras experience video loss. Crisp and Detailed Video You Can Rely On Defender cameras are equipped with 480 TV lines of resolution and the DVR records in D1 resolution, which is the equivalent of 704 x 480 pixels or DVD quality. The resulting clear, crisp and accurate video feed will help put the criminal away. Two Years’ Worth of Footage Storage – and More If You Need It The included 500GB hard drive allows continuous monitoring and recording of over two years’ worth of footage! Your DVR sends an alert when your memory space is full so that you can choose to overwrite old video or stop the unit from recording. The built-in USB port gives you the option of backing up and transferring your video footage with a USB flash drive or external USB hard drive. When Everyone Else is Asleep, Our Cameras Are Watching Closely Defender cameras are equipped with night vision that automatically activates. Twenty-four infrared ClearVu LEDs provide crisp and detailed night imagery as you monitor from up to 75 feet away, even in complete darkness.