INFINITY DT - Tubeless floor pump with LCD digital gauge. - Alum integrally formed barrel & pressurized tank. - Special designed barrel for easier high-pressure inflation. - Charge pressure tank up to 240 P.S.I; a blast of air will inflate a tubeless tire. - 2 tone handle, steel base. - CTV-TU pump head fits for presta and schrader. - Turn the small lever on the pump head to choose "for tank" or "for tire". - WARNING: for safety reasons, DO NOT dismantle this pump, and always empty the air in the pressure tank after use.