Durofix RZ1290 G12 series brushless jobsite fan delivers up to 270 CFM of professional grade airflow with zero to one hundred percent variable speed control for mechanics Full compatibility with acdelco g12 series 12v battery systems allows you to power this fan using your existing professional tool batteries for maximum versatility on the job Heavy duty integrated magnets and spring loaded clamps allow for secure mounting on car hoods or lift posts providing hands free cooling in tight engine bays Adjustable 210 degree head rotation combined with built in three level led lights and a USB C port for continuous AC power ensures optimal performance in any workspace Package includes the RZ1290 bare tool body only without the battery or charger and is backed by a three year warranty and california based service Our brushless BLDC motor produces up to 14 MPH & 270 CFM with 0-100% speed settings for full control of air flow & up to 16 hours of run time on a single charge.