It’s very powerful and does its job which is great! The one downfall is it sounds like a small jackhammer so I can’t use this when my kids are sleeping.
I am generally pleased with my WP-861. Previously I had the 9.0. The water holder is much easier to take out on this WP-861 than it was with the 9.0. My only problem is difficulty in taking off the toothbrush head from the motor. I have to really tug it with a towel to get it off.
Works well, easy to use. Great tooth brush. Easy to order additional nozzles. Like using it makes me feel cleaning is enjoyable. Wish that the water hose would be longer.
The design of the handle and brush head are the best. Both fit your hand and mouth interior perfectly. Bought one for my daughter, She loves it, too. Only drawback is no cover for brush head or place to store it. I store mine in the reservoir when not in use