ZFLIN 16 LED High Intensity LED Law Enforcement Emergency Hazard Warning Strobe Lights 18 Modes for Interior Roof / Dash / Windshield with Suction Cups (Amber) High intensity 16 LED 16W Strobe Light; 18 Different modes of flashing / strobing Can be seen up to 1/4 mile Up to 50,000 hrs life expectancy while consuming less power then standard bulbs All vehicles equiped with a 12 volt cigarette adapter. Memorizes last pattern used