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: 1.0 Mhz +-10% Temporal Maximum Power: 8w +-10% Output Intensity: Low 1.6w (0.11 W/cm2) Medium 2.6w (0.24 W/cm2) High 4.6w (0.47 W/cm2) Duty Cycle: Low 7% Med 15% Hi 30% Output Mode: Pulse Pulse Width: 5.4ms +-10% Repetition Rate: 150hz +10% Timer Setting: 30 Minutes Auto-off +-1% Weight Of Unit: 120 G 6 Month Manufacturer Warranty On Unit