It is used in the vessels. There are many kinds of marine wipers. Some are straight line type marine wiper, some are fan-shaped movement marine wiper and some are clear view screen. But almost all of them are provided power by the motors. They are installed in the windows of the vessels. It will clean the water, rain, snow or dust in the windows, to keep the windows clean and to ensure your safety. So it is very important for you to install the marine wiper on your vessels.
1.Powered by motors: yes