The US Pro 2000 2nd Edition is a clinical grade therapeutic ultrasound device that generates deep heat through ultrasound energy. The pulsed sound waves travel deep into the tissue and induce vasodilation, which helps increase blood flow to the treated area and is found to help relieve pain and reduce muscle spasms. Equipped with a head warming feature on an ergonomically designed sound head for increased patient comfort. With three output intensities and three treatment time selections, the US Pro 2000 2nd Edition can provide a wide range of therapy treatments. Sound head is watertight for use in underwater therapy (for 30 mins at depth of 1 meter). Complete with hard carrying case, ultrasound gel, AC/DC adapter, instruction manual and a quick start guide.