I , like most , be hesitant about spend so much money on a pump with the worry it would break and\/or not meet my need and be able to pump enough milk for the many time I have to be away from my baby . it be all in vain , because this pump work like a dream . the double pump be easy to set up , the battery pack be extremely convenient , and the bag provide plenty of space to store extra bottles\/valves\/breast pad ... the work . I definitely recommend it . for school and work I frequently have to pump in the car or bathroom with no outlet , and the battery pack provide excellent power . be the pump worth the money for a stay at home , infrequent pump mom ? maybe not . however , I think it be the best product for a mom who need to pump frequently .