This 4x9 LEDs Strobe Lights set is great for emergency workers, postal service, construction vehicle, security etc. 3 lighting modes available, brighter and more effective than standard LED strobe lights. Greatly improve the safety for night driving, highway rest stop and auto repair. Brightest strobe lights to warn the coming to slow down or catch their attention to get help. Features - Light Color: Yellow - Material: PC - Size: About 16.2 x 1.2 x 1.5cm - Quantity of LED beads: 36 (4x9) - Voltage: 12V - Power: 5W - Brightness: 10000-12000MCD - Life span: up to 50000-100000 hours - 3 lighting modes for your different needs. - Powered by 4x9 LEDs, greatly improve the safety for night driving, highway rest stop and auto repair. - Properly sealed, dustproof, proof, double insulation, safe to use. - Low power consumption, energy-saving, long lifespan. - Fit most DC 12V cars, motorcycles and other vehicles.