GLW Waterproof 100W led Driver Power Supply + 100W Cold White LED Chip Bulb Energy Saving For DIY Drive voltage: 30-32v, Current: 460-620MA Chip: 100W, 6000K Daylight White, 7500 lumen specialized led driver power supply for 30W led chip Do not use other led driver, this specialized driver will make the light works best GLW keep 1 year warranty