Heater Fan -Thaicool Auto Parts 150W PTC ceramic heater fan Plug into 12V source to defrost windshields or to provide auxiliary heating Instant heat, automatic temp control, safe 2800 PTU powerful output Cool & warm switch Mounting by stand, adhesive tape or screw mounting 300 W PTC ceramic heater fan Plug into 12V source to defrost windshields or to provide auxiliary heating Instant heat, automatic temp control, safe 150W & 280W selectable switch PTC ceramic heater 6000 PTU power output Double-use for cold and warm wind Mounting by stand or adhesive tape With stand/adhesive tape/screw mounting