... . Here is the specification file for this 50W High Power LED Chip:5W, 10W, 20W, 30W, 40W, 50W, 60W, 70W, 80W, 90W, 100W, 110W, 120W, 150W ... of 50w High Power LED Chip:*Longer life span, over 50,000hours*Higher luminous flux, can reach 100LM Per Wattage*Low voltage DC operated*Wide ...