Equipped with preset and manual inflation with two outlets for nitrogen, this product can inflate two tyres at the same time. It is also equipped with an air outlet to fill air. Equiped with four foot castors it is more convenient to operate. Generates nitrogen from your compressed air 2 pre filters / LED display 55L/14.5gal(us) internal nitrogen storage tank. Remains at last setting audible and visual end of cycle signal indicators.