1.digital ultrasonic cleaner with digtal timer & heater 2.good quality 3.CE RoHS 4.one year ... VORY -A-B1 digital ultrasonic cleanerApplications:Jewelry industry, medical industry, electronic factory, molding factory, car workshop, diesel workshop, car industry, scientific ... . Power is automatically cut off when it is lack of water.4. External drainage system makes easy to change of rinse ...