DescriptionThis is a antipruritic device, which is made of high-quality materials, durable and can be used for a long time. Physical therapy is more gentle,children and adults can rest assured to use. Using the physical method, it will not produce any odor. Quick stop mark, safe and unharmful, gentle to skin.Features-Color: White. -Material: ABS. -Size: About 14.00X3.80X3.80cm/ 5.50X1.49X1.49in.-Power supply: 2 AA batteryies (excluded).-Mode: 5-class can be adjusted. - Physical therapy is more gentle,children and adults can rest assured to use. - Using the physical method, it will not produce any odor. Quick stop mark, safe and unharmful, gentle to skin. - Children over 4 years old and adults can use it safely. - Using microchip heat collecting principle 89um infrared physiotherapy to penetrate into the epidermis to eliminate the itching feeling and skin swelling. - Share with your friends and family as it is a wonderful gift.