These top-of-the-line Mettler units feature easy-to-operate membrane panels designed to simplify parameter selection, flashing LEDs to direct you through treatment set-up and soft-touch intensity control knobs to allow for accurate output intensity adjustment. Waveforms include: Micro current, High Volt, Interferential, Premodulated Interferential, Biphasic and Medium Frequency (Russian Stim). The combination products feature ultrasound with 1 and 3 MHz capabilities and come standard with a 5cm2 applicator. 1 cm2 and 10 cm2 applicators are also available.