M-Edge e-Luminator Kindle Booklight, Graphite (Compatible Only with 2nd and Kindle Keyboard M-Edge Kindle Covers) This slim and lightweight booklight works universally with all M-Edge jackets. Fully adjustable flexible steel neck allows for fine tuning light position. Operated by a touch activated power setting with low, medium, and high light intensities for tailored screen illumination. Includes sleep timer, which will turn light off after 60 minutes of inactivity. Optical lens spreads light evenly over device screen; super bright LED light bulb never needs replacing. Battery can provide more than 20 hours of lighted reading at medium intensity. Requires 1 AAA battery (not included), with easy access battery chamber. Support arm allows for easy storage in sewn-in jacket pocket. Support arm also functions as a paper clip attachment, which allows light to easily attach to magazines or books.