... or 5L 4, Clean Time:2-30mins Specification for Ultrasonic Cleaner ModelTypePower Supply(V/HZ)Power(W)Lumen size(mm)Dimensions ... , External drain structure, you can change the clean liquid at any time.2, Low noise design keep silence of the clinic3, Cleaner time ... the proer operation External drainage,which allows easily changing the liquid Provides a simple,quiet and effective operation whit a modern ...