The Medela Swing Maxi is an electric double breast pump that allows for efficient pumping. Please note that one part is missing, as shown in the second photo. This does not affect its use. - Brand: Medela - Model Name: Swing Maxi - Color: White/Yellow - Included Accessories: 2 bottles, 4 caps, instruction manual - Type: Electric - Parts: Flask, flask cap, flask base - Features: Double pump Thank you for looking.