The Predator LED Scanner is the ultimate add-on to your security system. It is 6 inches long and features 7 micro-processor controlled LEDs for fluid scanning motion you have to see to believe! Use it as a scanning security system status indicator on your dashboard or anywhere else! No security system is required; the Predator can also be hooked up to scan independently. Rated for Interior or Exterior Use. Simple 2-wire Hook-up. Installation & mounting hardware and instructions included CPU Controlled Scanning LED Lights Stylish Chrome Case Style Use With or Without Existing Security System Extremely Bright Grabs Attention Instantly