this is a hand held pump. only isis has a patented let down massager cushion it produses fast let down just like baby it is clinically proven as effectrive as an electric pump but more convenience no need for noisy moters or batteries this is a breakthrough product in breast pump desighn it has 100 % reliable comfert cushions as you pump five petal shaped mesagers flex in and out gently masaging for the best results and no pain  it comes with two feeding bottles that you can use  while you are breast feeding for the baby uses the same sucking technique as they do with breast feeding  allowing...