LED Chip 10W 20W 30W 50W AC 220V 110V COB Chip No Need Driver LED Lamp Beads DIY Flood Light Spotlight Lampada Outdoor Chip Lamp ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Item: LED COB Chip Watt: 10W 20W 30W 50W Volt: 110V /220V; Color Temperature: Cold White 6000-6500K;Warm White 2800-3200K Color Rendering Index:Ra82+ Beam Angle :120 diploma Feature: No Need Driver;;;;Easy to DIY How to use it: Connect 110V/240V Housing material:Aluminum Attention:It should want a heatsink aluminum for cooling, do not light it with out heatsink aluminum. ------------------------------------------------------------------------------------------------------------------------------------------------------------------- '