Tennis Elbow Strap Universal Shower Bath Bathroom Aids Visual Signaling Top mounted Campylobacter Visual Signaling Top mounted flashing lights helps to verify that the monitor is armed (slow green flash) and locate the monitor when alarming (fast red flash) perfect for nighttime use * When operating in TENS mode the unit has four modes and three modes when operating in EMS mode Gel Pad may be used for cold therapy purposes * Suggested HCPCS Code: L3701 Universal up to 15 elbow circumference * Designed to apply compressive support to the forearm tendons allowing them to remain pain free the Brace Yourself For Actions Tennis Elbow Strap features a removable Gel Pack