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 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. IR Cut Filter for Crisp and Detailed Video You Can Rely On Defender cameras are equipped with 600 TV lines of resolution and an IR cut filter to enhance color and detail. The DVR records in D1 resolution, which is the equivalent of 704 x 480 pixels or DVD quality. Two Years' Worth of Footage Storage 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. FrontLine Wireless Driveway Alert System Always be aware when guests or trespassers pull into your driveway or enter a restricted area. Defender is a leader in home and business security solutions, and now brings you this compact motion alert system for the peace of mind knowing that your property is safe.