l Parameters: Input Voltage: 200-277VAC/50-60HZ LED Chips: Flip Chips Super COB LED Efficacy: 100-120lm/W CCT: Daylight/Coolwhite/Warmwhite Driver: Done l Features: - 150/200/300/400Watts with heavy duty die casting housing for projects. - Stable quality with isolated waterproof drivers. - With built-in 6KV surge protection. - Excellent heat dissipation COB with sufficient quantity flip chip LED chips.