MiniElectric Breastpump by Medela The Medela Mini Electric Breastpump is perfect for short-term separations of mother and baby. It is lightweight and completely portable, so traveling is convenient. Like Medela's electric breastpumps, the Mini Electric mimics the natural suck-release-relax cycling of a nursing baby. An adjustable vacuum allows you to select your own comfort level. For added versatility, universal threads on the breastshield allow the pump to be attached to any standard baby bottle. Includes: motor unit; UL Listed, 120 VAC, 60 Hz transformer; breastshield and breastshield insert; yellow valve; two white membranes; collection container, lid and stand; yellow piston; one rubber seal; cylinder assembly and instructions. (Requires 2 AA batteries, not included). 6 month limited warrantly on motor unit and 90 day limited warranty on other parts.