... large screen display, the central computer centralized control, ultrasonic gap time is adjustable, power 1-99% Ultrasonic reactor, ... large screen display, the central computer centralized control, ultrasonic gap time is adjustable, power 1-99%. Sample temperature control ... 9% Power: 220V/110V 50Hz/60Hz (selectable) Other: switching power supply, power infinitely adjustable, with 50 groups of settings ...