mini christmas tree card lamp lights 1,Credit Card Size 2,Fold " ... " up, light turns on 3, OEM is welcome Led Christmas tree pocket card light ,led card light ,flashing led pocket light ... ,the only need a small battery3. this card out of the middle buld shape can engrave up tur up,and ... can have your own logo,trademark on it. large area of advertisng printing postions6. CE,Rohs certifications,to meet the ...