Chanzon 10 pcs High Power Led Chip on Board 3W Orange (400mA-500mA/DC 2V-2.4V/3 Watt) Super Bright Intensity SMD COB Light Emitter Components Diode 3 W Bulb Lamp Beads DIY Lighting 3Watt / Orange / 600nm-605nm / 90LM-100LM / 45mil chips / 120-140 degree Emitting Angle Input(DC): 400mA-500mA / 2V-2.4V (Best Match with "Chanzon 450mA 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: 0.48oz / 0.014kg (Pack of 10)