Parameter:Power:3w with star heatsinkVoltage:3.0-3.4VCurrent:700mAColor:full spectrumWavelength:400nm~840nmChip Brand:45mil Bridgeluxlighting angle:120~140 degreePackage:25pcs 3w led with heatsink Notice:you may match a 50W driver ，DC70-90V，520mA ，our store are selling this kind of driver.