Lumileds L2C2-57701208E1500, LUXEON CoB Gen2 White CoB LED, 5700K 70CRI. Typical Luminous Flux: 4577 lm. Optical Source Diameter: 15mm. Viewing Angle: 115 °. Forward Voltage: 35 V. Forward Current: 1800mA. Dimensions: 24 x 20 x 1.5mm.