1.Osram LED chips 2.Outstanding energy saving performance 3.AC / DC both work 4.Replace 400W-500W HID Lamp ... chips, outstanding energy saving performance.*Patented power supply technology, electricity surge and overheating auto-protection.*Patented heat dissipation technology, 50000 hours ... power and other applications. Genius Osram 210W LED pentant Light(3/5 Year Warranty, TUV, CE, RoHS)