Rupse Red 16 LED High Intensity LED Law Enforcement Emergency Hazard Warning Strobe Lights For Interior Roof/Dash / Windshield With Suction Cups (yellow) 18 different selectable strobe patterns with a push of a button to cycle through modes. Brighter and more effective than standard LED strobe lights Up to 50,000 hrs life expectancy Bright enough to be seen upto 1/4 mile in distance Memorizes the last pattern used