The MultiFlex LED Book and Task Light is perfect for adding light to any space. This book light will clamp onto a desktop or even the corner of your book. With a bright LED light, you will have plenty of illumination for any task.The superb brightness provided by LEDs makes these lights great for many uses. Use them as book lights, task lights, craft lights and more. Lightweight and efficient, these lights are ideal for reading while traveling. Great for crafts, including sewing and needlework, as well. LED lights will virtually last forever, making these lamps a far better choice than a traditional reading light. These lamps can also either clamp onto a surface (like a table edge, or a book), or simply stand upright on any surface. Powered by three AAA batteries (batteries not included).