An amazing jewelry cleaner that utilizes an ionic process which is different than the traditional ultrasonic cleaner. Now with the SpeedBrite Ionic Cleaning Machines, not only can you clean gold and silver, but also emeralds, opals, pearls and all other pours stones safely in only one minute. The SpeedBrite also removes tarnish. This fabulous machine does not remove metal, does not use ammonia or acid and does not require heat. Made in the USA. 1 year warrantee.