Get FAST, EASY and PAIN-FREE results with this product. You can gently remove plaque causing debris and clean those hard-to-reach surfaces. Just fill with water, point and press to power. You can also fill the Machine with mouthwash to freshen as you floss. The air infusion technologe gently blasts away unwanted particles and flushes out crevices for healthy teeth that are sure to please your dentist. No batteries or cords. Machine is powered by air.