Thermoskin Elbow Wrap Arthritic Beige Medium Instrument Trays Dual Channel * 4000 mHz Jobst Opaque Sensitive Dual Channel * 4000 mHz * Unit comes complete with: set of 2 wires pack of 4 silver silver chloride self sticking electrodes 9V alkaline battery ac adaptor instruction book and attractive carry case * Dual channel quadra polar * Adjustable pulse amplitude * Carrier frequency plus interference frequency * Sweep and treatment timers * Shipping Carton Size: 12 L x 10 W x 6 H * HCPCS Suggested Code: E0730 * Interferential stimulators use a fixed carrier frequency of 4 000 Hz per second and also a second adjustable frequency of 4 001 4 400 Hz per second * When the fixed and adjustable frequencies combine (heterodyne) they produce the desired signal frequency (Interference frequency) Superior smooth rounded design provides more comfort than other devices and allows for accurate placement and pressure * Comfortable and easy to use hygiene aid makes post toilet cleaning possible * The rotating handle (9 3 4 ) allows the desired amount of toilet tissue to be rolled * Made of sturdy autoclavable plastic * Anatomically shaped with an adjustable velcro closure to allow flexibility with ease of application and compression variation * Measure around elbow with arm extended * Medium fits 10´ 11Û *