Responder™ Emergency Kit, 1 Each Wall Transformers Poly layer to keep moisture Jobst Ultrasheer 30 40 ThighHi Poly layer to keep moisture from passing through US 1000 3rd Edition is an FDA approved portable therapeutic ultrasound unit * New now with 3 power output settings * Device must be used with ultrasound gel to conduct the ultrasound energy to the skin * Comes complete with ultrasound AC adapter carrying case ultrasound gel and instruction manual * Generates deep heat through a piezoelectric crystal sound head * The piezoelectric crystal converts electrical energy into a strong vibratory sound wave or ultrasound * Sound waves cause vibration in soft tissue cells increasing temperature and inducing vasodilation * Power Source: AC Adaptor (DC 24V 200mA) * Output Frequency: 1 Sewn with heavy nylon thread for durability Lined with 8mm of cushioning foam