Special Features 304 Non-Magnetic Stainless Steel construction Built-in Pro-wave (Digital) Generator Built-in Transducers, Built-in Thermostatically Controlled Heater, temperature control range: 0 to100 centigrade Built-in Electronic Counter, which record every cleaning. (cannot be tampered) Built-in Digital Timer that can be set in 5-minute increments Four 3’’Casters with one/two Brakes Token operated (one set of 50 included), function as a self-service vending machine The machine with lid or without lid optional Application: Applied to different club materials: wood, aluminum and titanium. This ultrasonic golf cleaner will effortlessly, quickly and efficiently remove dirt from golf clubs, both golf club heads and rubber grips. It also can clean the golf ball.