Zapi uses germicidal ultraviolet light to kill 99.9% of germs on your toothbrush in just minutes. It comes with a free toothbrush, but also works with your favorite manual brush or electric head. Simply insert your favorite toothbrush, press the button, and Zapi goes to work, turning off automatically. Your toothbrush is germ free and safely stored inside Zapi ready for the next time you brush.