Features Hospital strength performance, up to 250mmHg suction strength Large, backlit LCD display with timer and push button controls 2-phase adjustable suction modes Integrated rechargeable battery provides up to 2 hours pumping time on a single charge Attributes Application ...Features Hospital strength performance, up to 250mmHg suction strength Large, backlit LCD display with timer and push button controls 2-phase adjustable suction modes Integrated rechargeable battery provides up to 2 hours pumping time on a single charge Attributes Application: Double Electric Breast Pump Kit Contents 1: (1)Cool Carry Cooler Bag with 3 Ice Packs, (6) 4 oz. Containers with Lids, (50)Pump Protect Milk Bags and 2 Pumping Adapters, (1)Accessory Bag (for Parts), Instructions for Use (Quick Start Guide), Breast Milk Storage Guidelines