DITOP Bright 9-LED HammerHead Clip-On Reading Book Light Laptops, Desk Lamp Orchestra Music Stand Light Light Orchestra Arm Flexible Music Stand Adapter Book Reading Desk Lamp,Black Clip book light, reminding you to take good care of my eyes, no fever, no radiation, not dazzling. Powered by AC adapter or 3 x AA batteries (Batteries not included) Multi-purpose use: Reading lamp, computer desk lamp, berth lamp, music lights, etc., put/clip-on 2-Mode lighting: high, low Flexible goose neck rod, can freely adjust the height and direction.