Cobra Vedetta Ultimate Detection Systems Series, SLR 600 Radar/Laser Detector Supercharged Performance Radar/Laser Detector, provides phenomenal detection range on all radar/laser speed monitoring devices Quad-level IntelliShield lets you choose from 4 levels of city filtering modes for improved false signal rejection 2.4 inch, High-Def color display gives you a bright and easy to read/operate screen in any lighting situation with touch-point controls, choose from 6 user-selectable color themes VoiceAlert provides user with human voice band annunciation 8-point compass for automatic and accurate direction headings