The microprocessor-controlled Sonicator Plus 992 is a two channel combination unit. It combines 1 and 3 MHz ultrasound with six treatment waveforms: Interferential, Premodulated, Medium Frequency, Biphasic, high volt and Microcurrent. A dual frequency 5 cm2 applicator comes standard with the unit. Up to three different treatment protocols may be set up simultaneously using different timers. Weight: 8.9 pounds, (4kg) Dimensions: 5 in (H) x 14.5 in (D) x 10 in (L), (12.7cm (I-f)x36.8 cm (149x25.4cm (B))