Arthritis Knee Sleeve XL by IMAK Jobst Ultrasheer 15 20 ThighHi 3 MHz frequencies * Ten Color:Red 3 MHz frequencies * Ten new user defined memory positions for User Protocols * Pulsed and continuous therapy operation (10% 20% 50% and 100%) * Beam Nonuniformity Ration (BNR)5:1Maximum * 110V or battery powered option * New ergonomically designed applicators in variety of sizes (1cm2 2cm2 5cm2 and 10cm2) * Applicators are interchangeable with Electronic Signature residing on all transducers * Head warming function on all applicators 46 54 * 8 wide double ply three panel elastic belt features a posterior pocket for moldable insert (sold separately) * Dura Foam front panel closes with pressure sensitive hook * Measurement is hip circumference * Provides even compression to abdomen as well as lumbosacral area * Tri band technology holds sleeve securely in place and helps prevent rolling * Unlike traditional compression garments the IMAK Compression Arthritis Knee Sleeve is designed with all day comfort in mind