Portable and rechargeable- one-piece design, touch buttons, built-in 1000am lithium battery. Versatile and Efficient-LCD screen This double electric pump is the ultimate in comfort, with 20 pumping styles &amp; 20 suction levels to match babys feeding patterns &amp; maximize comfort &amp; milk production. LCD screen, 20 gears for lactation, 20 gears for massage, and 20 gears for pumping. Easy to carry- Electric milk pump, liberating mothers hands. Designed for daily use, outdoor use, back to work, and travel. Great for exclusively pumping moms. Safety-The electric milk pump can suck breastmilk safely and effectively. Easy to Operate- Own this milk pump, you can personalize your pumping session with multiple combinations of speed and suction, convenient and rapid. The high-definition screen of the breastfeeding pump helps moms see the modes, suction levels, and power. Moreover, the mechanical switches also prevent accidental touches resulting in shutdown and misoperation, hassle-free.