Sims Deltec / Smiths Medical CADD-Prizm® VIP 6101 Ambulatory Infusion Pumps have 4 delivery modes: PCA, Continuous, TPN, and Intermittent. There are 3 lock levels to limit patient access, securing the pump for use in the home. *The pump can be powered by a 9 volt battery, CADD External Power Source, or an AC Adapter.