Descriptions: 1. The COB light is very strong and illuminates the page very well. 2. It has two different brightness modes. 3. Powered By Battery- Need 3*AAA Battery to operate.(3*AAA Battery not included) 4. Very sturdy. The clip can attach to whatever (not just your book). Be creative! 5. Flexible arm is nice quality. Very easy for a child to manipulate. Uses: - It is Best Suited For: Music Stands, Reading, BBQ, Grilling, Desk & Travel - Used By Musicians, Readers, Artists, Chefs. Feature: - Enjoy reading your favorite book without disturbing your bed mate or fellow traveler. - Outdoor activities lighting such as BBQ, camping, hiking, climbing. - Reading music score at places with really low light. - Adding extra light to your keyboard for easy typing. - Material: PVC and alloys - Weight: 78g - Power: 3*AAA batteries (not included) - Light size:7.5cm - Pedestal size:4*8cm.