Not compatible to U.S.A outlets. Features deep-penetrating, therapeutic massage in a lightweight, portable package Powerful motor with variable speed control from 1, 200 - 1, 800 rpm Includes these applicators: Four-Ball Firm Rubber, Two-Ball Firm Rubber, Pointed-Tip Firm Rubber, Large Round Firm Rubber and Curved Flex Sponge & Frame with cover 1 year manufacturer's warranty