Professional ultrasonic cleaning machine-sonic cleaning machine adopts the most advanced ultrasonic technology, 62KHz ultrasound frequency,very efficient. It not only for glasses only, but also for contact lenses, watch, jewelry, diamond, false tooth, etc. It can also be used to clean contact lenses. Small size, easy to carry out when outside. Complies with CPSIA. 8.2" L x 3.3" W x 2.5" H
