The Ultima ID Refrigerant Identifier A/C service tool from Neutronics prints results from an onboard printer. Includes Neutronics exclusive Blend ID software designed to identify EPA S.N.A.P. approved refrigerants in addition to R12, R134a, R22, HC and Air. Comes with an extra large LCD display and an ultra fast test time. Offers an optional internal battery making the unit portable for use in any location.