Speed Brite Ionic Cleaners- 200SB Speed Brites are cleaners that utilize an amazing ionic, not ultrasonic, process for cleaning. With a Speed Brite cleaning machine, you can not only clean gold, but opals, pearls, emeralds, and all other soft or water porous stones safely in one minute. The Speed Brite does not remove metal and does not use ammonia or acids. It also does not require heat. Made in the USA. They have a one year manufacturer's warranty. 110 volt and has a 12 oz tank.