#1 Premium LED Book Light - Free USB Cable - Clip-On Flexible Reading - Free Standing Work Light - Best for Reading in Bed - Powered By 3 AAA Batteries or the FREE 39" USB Cable - The Base will Clip on or is Free Standing - Runs Without Batteries Installed - 5 Year No-Hassle Replacement Guarantee - Order Now Extra Bright AAA (3 required) Battery and USB Powered Flexible Book Light, Laptop Light, Tablet Light DUAL Power - Includes Separate USB Cable to Plug Your Light into any USB Power Source. Operates on 3 AAA Batteries (sold separately) or USB Wide Opening Strong Clip to Attach Light to your Book, Tablet, Amazon Kindle Reader, Laptop or Headboard Free Standing Base Allows Light to Stand on it's Own for the Ultimate in User Flexibility 1800 MCD LED Long Lasting Bulb, Easy Push Button on-off Switch. 5 Year No Hassle Free Replacement Guarantee