Led World 5PCS Cree XLamp XP-E2 XPE2 1W 3W Neutral white 4500K LED Emitter diode on 20mm Star Base for DIY Model: Cree XLamp XP-E2 Emitted Color:Neutral white 4000-4500K Diamter: 20mm Viewing Angle: 110 DC Forward Voltage (VF): 2.9 ~ 3.25 Vdc DC Forward Current (IF): 350 ~ 1000 mA Output: 1 ~ 3W Intensity Luminous: 220lm QTY:5 pieces