This Clip-on LED Light Reading Lamp Special Designed for E-Book Reader like Amazon Kindle and B&N NOOK, Powered ... :This Clip-on LED Light Reading Lamp Special Designed for E-Book Reader like Amazon Kindle and B&N NOOK, Powered ... storage.Powered by 2pcs CR2032 Batteries ( included) .Special Designed for E-Book Reader.Also Ideal for pianos, music stands, orchestra pits ...