Provides instant heat to quickly wam the entire interior Input: 12V or 24V DC Power 150W CE approval Power:150W Operated by 12V DC or 24V DC(optional)   Provides instant heat to quickly wam the entire interior or to defrost windshields  in seconds Double use for cool and warm wind Easy clip-on or dash mount  With fan-off-heat switchMounted by adhesive tape or screws(included)      

12Vor 24V car heater fan