Chanzon High Power Led Chip 100W Natural White (4000K-4500K/3000mA/DC 30V-34V/100 Watt) Super Bright Intensity SMD COB Light Emitter Components Diode 100 W Bulb Lamp Beads DIY Lighting 100Watt / Natural-White / 4000 K-4500 K / 8000-9000LM / 30mil chips / 120-140 degree Emitting Angle Input(DC): 3000mA / 30V-34V (Best Match with "Chanzon 3000mA Constant Current LED Driver") Integrated Chanzon High Quality,High Brightness Chip on Board / Double Golden Wire / Copper Frame) 50000 Hours Life Span (Working Temperature should be less than 60? (140?) with a Heat Sink System) Total Shipping Weight: 1.27oz / 0.036kg (Pack of 1)