2012 hot Christmas Mini pocket led card light 1,Credit Card Size 2,Fold "LED Light Bulb" up, light turns on 3, OEM is welcome ... a small battery3. this card out of the middle buld shape can engrave up tur up,and then the botton if ... printing postions6. CE,Rohs certifications,to meet the import requirements 2012 hot Christmas Mini pocket led card light