... Design , Powerful transducer and clear circut , Top quality steel made for body,cover and base Digital LCD display leading ... clinic , Restaurant , Repair shop , Family , etc.Ultrasonic Frequency40,000 HzTank MaterialStainless Steel SUS304Tank Capacity15 LTimer1-30minutes, Digital timerPower SupplyAC 100 ... ' High container capacity760 pcs Large capacity Digital Ultrasonic Cleaner(with Timer & Heater)