High Power 20W 30W 50W LED Glass Lens COB Lamp Chip Bead DC28-32V DIY for Spotlight Floodlight

Specifications:
Wattage: 20W / 30W / 50W
Voltage: DC 28-32V
Current: 20W:600mA / 30W: 900mA / 50W: 1500mA
Luminous Flux:20W:1800-2000lm / 30W:2700-3000lm / 50W:4500-5000lm
Color Temperature: Cold White (6000-6500k)/ Warm White(2800-3200k)
Color Rendering Index:Ra80
Beam Angle:180 degree
Housing material:Aluminum +Glass     
Size: 28*28*11MM
 
Attention:It must need a heatsink aluminum for cooling, do not light it without heatsink aluminum.
 
Package Included:
1 X Chip