Four channel combination unit combines 1 and 3 MHz ultrasound with eight treatment waveforms: Interferential, Premodulated, Medium Frequency (Russian), EMS, High Volt, TENS, Microcurrent and Direct Current (DC). All waveforms are available on all four channels. A dual-frequency 1cm2, 1/3 MHz applicator comes standard with the unit. Features back-lit LCD touch panel, 61 preset programs and space for 80 user-defined programs. Weight: 11 lbs. (5 kg). Dimensions: 4.9"H x 13.6"W x 10.5"D (12.4 x 34.5 x 26.7 cm).