Ultrasonic Cleaners 3.2L Ultrasonic Jewelry Cleaner Machine with Timer and Heater, 40Khz Professional Stainless Steel Lab Ultrasonic Cleaners for Parts Glasses and Watch Cleaning. With mechanical knob, the ultrasonic cleaner can adjust the timing from 1 to 30 minutes and temperature from RT to 80? The lab ultrasonic cleaner has 120W ultrasonic power and 40KHz frequency which can bring better cleaning effect without damage.This ultrasonic cleaning machine is made of 304 stainless steel, the water tank is stamped and formed at one time which is no welding, better waterproof performance and can be used for a long time. Equipped with portable handle, heat dissipation and anti-slide rubber feet, this ultrasonic cleaner is designed for the better use in daily life. 10.6 x 6.3 x 8.7 inches; 7.88 Pounds. We reserve the right to cancel any order for any reason at any time. We are not responsible for undeliverable addresses. Your feedback very important to us, after you get your package and you are. If you have any problem with your order / any questions please before leave any type of feedback. Thank you for shopping at our store.