... temperature 4. pen holde 2012 USB christmas decorations--- USB Fish Tank Aquarium brithday, fastival ,christmas etc,best gift give ... , mini size, special two tank design, one for fish tank, the other as a pen holder, with a ... lamp and a faucet for flitting water to the fish tank; moreover, on the pen holder, a LCD ... welcome , please contact in private! 2012 USB Christmas decoration--Fish Tank Aquarium