Powerful yet quiet, this compact Z2 features various features for pumping smarter. Alternate Mode Technology, a 2 year warranty, hospital-grade strength, portability, and lightweight design, plus three pumping styles--massage, expression, and two-phase mode with preemie setting--make it a must-have. All the features you need to maximize your pumping efficiency, plus portability and lightweight design so you can easily take it with you and pump wherever you go.