The Motif Duo is a lightweight, portable breast pump that can be used for single or double pumping. With its rechargeable lithium ion battery, the Duo is designed to give moms 2.5 hours of pumping time and weighs less than a pound. The lanyard design paired with the One Size Fits Most Pumping Bra makes the Duo the perfect pump for travel or the mom on-the-go! Moms love the Duo's Memory Mode to save personalized pump settings. The Duo has 10 suction levels within its Massage and Expression settings. It includes the following breast shield sizes: 21mm, 24mm and 27mm. With a suction strength of 250mmHG, the Duo is a favorite amongst moms everywhere. What's Included: 1 - Motif Duo Breast Pump 1 - One Size Fits Most Hands Free Pumping Bra (XS-L or L-Plus) 1 - Lanyard 1 - 12V Power Adapter 2 - 21mm, 24mm, 27mm Breast Shields 2 - 180mL Milk Collection Containers, Caps, Covers, Disc 2 - Nipples 2 - Valves 2 - Connectors and Diaphragms 2 - Tubing and Tubing Connector Pairs