... bright led marine bulb 1:Qty of led:3pcs 3W high power led 2:color:white,red,blue,green 3:it can ... 50,000 hours.4), Built-in or external constant current driver.5), Overtemperature automatic protection function. When environment temperature is more ... above 30V, the output current of built-in constant current driver will be shutdown in order to protect the LED without ...