The OMRON Max Power Relief TENS device is one of our most versatile TENS unit muscle stimulators for the relief of chronic, acute and arthritis pain. Offering two times more power than our Pocket Pain Pro, Max Power Relief makes it easy to personalize and customize your TENS therapy. When you have those hard to reach, deep pains that just keep coming back, choose Max Power Relief. It is perfect for those who may experience pain in the lower back or recurring knee and shoulder pain. This highly customizable TENS unit has modes to reach most of your pains. Take it to work, use it at home or while traveling. The Omron Max Power Relief TENS Unit is extremely portable, it fits perfectly in the palm of your hand or inside your pocket for discreet use. This device has six body pain modes (shoulder, lower back, arm, foot, leg, joint), and three massage-like modes (rub, tap, knead), each with 15 adjustable levels of power intensity to help relieve your pain. The comfortable, self-adhesive Long Life Pads (1 pair) are reusable up to 150 times and a plastic holder for storage is also included. Max Power Relief is one of our strongest, most adaptable TENS units for all of your pain management needs. Acute pain refers to sore or achy muscles due to strain from exercise or normal household and work activities. NOTE: To avoid damage to the device, use only with the leads, electrodes, and accessories recommended by OMRON.