... efficiency, life-span reachs 50,000 hours.4), Built-in or external constant current driver.5), Overtemperature automatic protection function ... installation.Parameters and other details:1), Waterproof: IP68 for underwater use only Color Available: W,G,Y,R,B. All lights ... for sample order, 10-20 days for normal order after deposit or payment.4), We accept OEM order. Other Marine Lights: The Newest Design ...