WoneNice 16 LED High Intensity LED Law Enforcement Emergency Hazard Warning Strobe Lights 18 Modes for Interior Roof/Dash / Windshield with Suction Cups (White) Fitment: Universal for 12V vehicles with cigarette adapter. Distance: Bright enough to be seen upto 1/4 mile in distance, more effective than standard LED strobe lights Comes with one strobe light unit and 3 suction cups which can suck on car interior windshield directly. Install and remove in seconds. Modes: 18 different selectable strobe patterns with a push of a button to cycle through modes. Memorizes the last pattern used Life:Upto 50,000 hrs life expectancy while consuming less power then standard bulbs