Specifications: 1) 1W/3W high power LED 2) High quality aluminum alloy cup 3) Optics lens 4) Work voltage: 12V/24V, 50 - 60Hz Features: 1) Well heat sink 2) High brightness of 30LM/W 3) Long life, safe use 4) Low power consumption 5) Saves 90% energy consumption than traditional illumination 6) No UV, superior ESD protection 7) Constancy electric current driving 8) Various colors 9) CE standard Inner packing: 1pc/color box Outer packing: 200pcs/ctn