Warning: This item can only be purchased by those with a prescription or a professional license. 2011 Catalog Page: 118
Four channel, four mode (constant, adjustable, auto sweep [15 seconds], frequency shift [30% below to 60% above set frequency]) clinical interferential unit. Features symmetrical balanced Sine wave with adjustable pulse amplitude (0-70mA), rate (4-160bps) and duration (to 125ms). Carrier frequency is 4000 MHz; modulating frequency from 4004 to 4l60 MHz. AC powered.