This 2 pack of medical penlights is perfect for family care. These round-shaped penlights are battery powered and have a brightness of 200 lumen. Made of aluminum with a brushed finish, they are compact with dimensions of 0.5 x 0.5 x 5 inches and weigh only 1.13 ounces. Ideal for various medical disciplines such as nephrology, ophthalmology, emergency medicine, and more, these penlights are a reliable tool for healthcare professionals and patients alike.