1) apply for high power led 2) optical glass (bososilicate ) material 3) excellent light transmittance 4) heat - ... 100W,120W,150W,180W,200W,250W,etc.2) optical glass (bososilicate ) material or plastic Main feature 1:clear and transparent, no ... and dark 3: adopt high precisy aspheric design and superior optical glass/plastic, strictly perform ROHS environmental standard Application range: suitable for ...