Portable Ultrasound US1000 Bedboards Upgraded Threshold Ramp * The 85180 Upgraded Threshold Ramp * The Transitions Modular Entry Ramp is strong lightweight and safe for all users * Made of aluminum * Modular design * Usable size (in) ( H x L x W ) 3x17x34 * Weight ( lbs Press the button for measurement for one second 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 47 W cm2) * Duty Cycle: Low 7% Med 15% Hi 30% * Output Mode: Pulse * Pulse Width: 5