allows her milk everywhere. Light, practical, very powerful and discreet. The power is adjustable, can be used on 2 batteries or AC, battery included. Compared to pull double pumping rental milk, I find it even more powerful. Frankly I hesitated but I do not regret at all, I recommend it, I am not obliged to sit in my corner as with double pumping, ideal if I go 3 hours from my home, I can get in the car 5mn is always better than nothing because by working together enough milk for baby bottles is sporty