Usage Tips:S1 9 LED Car Warning Lights Strobe Flashlights Emergency Dashboard Indicator 12V Ultra Bright Red Blue Yellow White Specification Voltage: 12V Power: 9W(9LED) Size:25cm X 10.5cm X 4cm Retractable cable length: 60-280cm High brightne :10000-12000MCD Life: 50,000-100,000 hour Flash patterns: 16 pattern Color:all red, all blue, all white, all amber, blue/white/red, amber/white/amber Features: Self contained LED no external flasher required Can remind the car to avoid and reduce the happening of the accident Lens and base are both made of strong ABS plastic Weatherproof ready for exterior mounting Compatible with all vehicles equipped with a 12 volt DC cigarette adapter 6/9/12 * LED inside. Many different flash patterns. With switch and the pattern adjust button. With memory function. What is included: 1PC LED Flashing StrobeLight Note: 1.Due to the light and screen difference, the item's color may be slightly different from the pictures. 2.There is 2-3% difference according to manual measurement.Thanks for your understanding.