7G headlight is no fan design.Light beam Angle adjustable, adjustable base for shorter lamp body fit more cars. It is with Aviation grade aluminium material for best cooling.KOREA CSP LED chip with good Luminous efficiency.This design can do 4300K,5000K,6000K for optional. LED headlight is energy saving product. It can saving 50% energy compare with HID and 80% compare with halogen. 7G headlight is comply with CE ROHS EMARK standard.Super long life span more than 30000 hours.