ProCare® Sport Reinforced Knee Support, 2X Large, 1 Each Diagnostics Smooth interior and a corrugated 00298E Smooth interior and a corrugated exterior for excellent flexibility and unrestricted interior flow characteristics Comes complete with two sound heads that can be plugged in simultaneously for more targeted therapy * Simple to operate the user can switch between wands with the single push of a button * Two channels of electrical stimulation output * Large easy to read graphical LCD display with exact dial performance and programmable timer * Waveforms include TENS EMS 2 Pole Interferential 4 Pole Inteferential and Russian * Dual clinical ultrasound features a 5 cm sound head which offers 1 MHz and 3 MHz frequencies * Ultrasound has 10% 100% duty cycle selections * 10 presets per waveform totaling 50 in all * 20 ultrasound presets * User defined memory positions for user protocols * Designed for tabletop therapy cart or mobile use * Includes eight sets of electrodes eight sets of rubber electrodes with sponges eight straps four sets of lead wires and a user manual * Product dimensions: 10 Sport knee sleeve is reinforced and has an open patella and closed popliteal Measure 6 inches above your mid patella: Extra extra large is for a 25½ – 28 inch circumference