Professional use ultrasound therapy 1mhz & 3mhz for pain relief ultrasonic unit is important for us to grow our business on. The seller is medinzahealthcare and is located in this country IN. User's friendly operating system LCD Display. Feather touch buttons Timer 0-30 min. Crushed hands or feet- the immediate use of ultrasonic therapy prevents the formation of fibrous tissue, by the absorption the free blood etc, making the early restoration of function possible when the fracture allow.