... 2.Singlechip controlled 3.Power-off protection... 35W Medical dental ultrasonic cleaner 1,features: As same as the common features ... Effective.4, watches, precision instruments: With V-Kool special ultrasonic cleaner, watches, precision instruments, eliminating one by one ... electrical circuit boards, spare parts, the use of ultrasonic cleaner with ethanol cleaning, clean pollution-free availability of ...