Product Features: A. stainless steel shell to printing plates, multi-fold pressure to strengthen, firm dirt B. mechanical timer to thirty minutes power supply with adjustable set C. thyristor power supply, efficiency significantly, working hours D. greatly extend the use of the ultrasound transducer aluminum structure, life expectancy, reduce heat output smoothing E. waterproof performance greatly improved, more secure and durable product Specifications: Within the tank size: 500 * 300 * 200 (L × W × H ) mm Dimensions: 550 * 330 * 320 (L × W × H) mm inner tank capacity: 30L Power supply voltage: AC 220 ~ 240V 50Hz Operating frequency: 40KHZ ultrasonic power: 600W drainage: the cleaning basket: Optional