... 3. Orignal Epistar/Bridgelux chips with 100% Class A grade. 4. All leds 100% QA passed before shipped. 5. Fully ... ,Conversion factor can reach 90%3. Good glare control.4. Special design good for heating output.5. Long lifespan ... warm/cool/pure white, bi-color, RGB application adervitising signs, circuit board, computer, monitor, portable equipment, project building, status indicator, telephone, ...