1.TENS unit, top quality and multi-function, 2.10 years of life span, many TENS accessories available TENS unit1.Digital therapy masaager2.Colour display screen3.Nine electronic hole patch build in4.Low, medium and high frequency pulse therapyFunctions:1. ultrasound therapy (ultrasound electrode)2.laser therapy (laser wire)3.Heat rate test (heart rate wire)4.Electrotherapy foot massage(foot spa ...