tooliom ultrasonic glasses cleaner 20ounces 600ml 50khz ultrasonic jewelry cleaner portable for jewelry,eyeglasses, rings, coins, denture, utensils, chain tooliom specification:<br>tank capacity: 20 ounces(600 ml)<br>tank material: stainless steel<br>power input: ac 100-120v<br>ultrasonic power: 15w<br>tank size: 180*70*55 mm<br>overall size: 235*90*65 mm<br>cleaning time: 3 min.<br>ultrasonic frequency: 50000hz<br>cleaning technology: ultrasonic waves<br>automatic shut off: yes