This 6 Strobe Lights is great for emergency workers, , construction vehicle, security etc. 18 different strobe patterns available (support power off memory), brighter and more effective than standard strobe lights. Greatly improve the safety for night driving, highway 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: Aluminum Size: About 11 x 2.8 x 2.8cm Quantity of beads: 6 Voltage: 1224V Power: 18W Waterproof: IPX4 Life span: up to 500000 hours 18 different strobe patterns available, support power off memory. Powered by 6 LEDs, greatly improve the safety for night driving, highway and auto repair. Aluminum material shell, heat dissipation. Low consumption, energysaving, long lifespan. Universal fit most DC 1224V cars, motorcycles and trucks.Package list: 1 x Strobe Light