... tank, Radiator fan,Stronger transducer, Wet-proof PCB,5Cycles digital timer Three separable wires,Heater,Industry IC, Ultrasonic Frequency42,000 ... HzTank MaterialStainless Steel SUS304Tank Capacity2500 mlTimerDigital timer with 5 cycles (180/280/380/480/90 seconds ... )20' Container capacity1,200 pcs40' Container capacity2,400 pcs Digital timer and heater Ultrasonic Cleaner