This item is a mini clip-on book lamp which is flexible and portable. Made of , it is durable, anti-age and practical. You can adjust a suitable angle according to your need while reading. Easy to clamp on your book and enjoy reading in any place. Features - Color: Grey. - Material: ABS. - Size: Approx. 25 x 3 x 2.3cm/ 9.8 x 1.2 x 0.9 inch (LxWxH). - Power supply: 2 x button battery(included). - Flexible and adjustable, easy and convenient to carry. - Except for reading, it can be also used to clamp on your while camping, or illuminate while fishing at night. Suitable for all the occasions you need illumination. - Energy conservation and environmental protection, low energy consumption with . - For gift-giving: birthdays, awards, business gifts, advertising promotion, trade fairs and much more. Package list: 1 x Mini Portable Clip-on Adjustable LED Book Light Flexible Desk Lamp (Grey)