This is the handheld massage device that delivers a therapist-quality treatment at home. The cutting-edge thermotherapy technology system offers the choice of hot or cold therapy, combined with the option of five levels of vibration massage. The ergonomic hand grip lets the amateur masseuse target hard-to-reach muscles with precision and control. Safe on nearly every part of the body, including the neck, shoulders, back, sciatica, legs, and arms. A timer signals the end of the 15-minute sessions. Cast aluminum double-massage heads. With AC adapter. 15 L x 6 3/4" W x 6 3/4" H. (2 1/2 lbs.)