... circuit3-59 minutes adjustable with digital displayAppliaction:Digital ultrasonic cleaner suitable for laboratory, electronic workshop, mobile ... , nozzles, watches, mobile, denture, experiment and equipment. Ultrasonic Frequency40,000 HzTank MaterialStainless steel SUS304ColorPink,Iron gray,BlueVolume600 mlTime ... contact us ! Thanks. toothbrusher cleaner using Ultrasonic Cleaner - with CE approved