With a manual or electric breast pump from Esperanza, you can pump milk quickly and comfortably. The breast pump is extremely quiet and has 5 stimulation settings, as well as 9 different suction settings that you can use according to your personal preferences. The various power connection options (USB, battery and power plug) make it possible to pump milk when you are at home, in the hospital or on the go. Use it also when you have to be away from your child for a long time and need to store milk. The pump has a large LCD display for easy operation and is made of BPA-free materials. Information Brand: Esperanza Type: Breast pump Model: Gemelos Model ID: ECM003B Power (input): USB, 4 x 1.5V AA, 100-240V 50/60Hz Power (output): 5V, 1.0A Suction capacity (max): 0.32 bar Suction settings: 9 Stimulation settings: 5 Capacity: 150ml.