SODIAL(R) Silver LED Reading book light Lamp Compatible with Amazon kindle 3 3rd 3G Wifi Keyboard Adjustable light angle. Ultra-bright single LED. Batteries: 3 x AG13 button cell (batteries not included). This Book Reading Light with Clip is perfect for reading in the dark without disturbing others. Flexible neck unfolds for comfortable reading at the push of a button. Color: Silver. Easily clips onto the cover of your book or magazine. Compact and portable design.