Opera Hospital Grade Double Electric Breast Pump Otoscope Sets very simple to use Otoscope Accessory very simple to use Also available as a pair here) Box includes: Opera pump body 2 Breast shields (24mm) 2 Breast shields (27mm) 2 Bottles (150ml) with caps disks and covers 2 Air tubes 2 Diaphragms 2 Diaphragm caps 1 AC adapter 1 Instructions manual s newly designed hospital grade breast pump was created to make expressing breast milk as comfortable and efficient as possible * The innovative interface enables you to create and save custom settings for future use * With unique massage and expression settings this unit can calibrate each mode individually * Vacuum strength and cycle speeds can be adjusted manually and uniquely for either breast enabling a personalized experience * Adjust between settings and toggle back and forth between sides depending on your unique needs for a customized experience