... *3Years warranty *with stock material for delivery *customernized packing led big power lamp bulb Features: 1. 30W, 40W, 50W, 60W, 70W ... IES files or Dailux projection caculations7. With Bridgelux led chips or CREE led chips, with highest lifespam.8. Patented heat ... , oil and lubricant etc.;10. Acrylic sealing reflector around LED; anodized oxide treated aluminum reflector for light diffusion and anti ...