Black Color The Recharge rechargeable book light is a workhorse you'll want to keep at hand. Providing warm, natural-tone light that is easy on the eyes, its dimmable LEDs are rated for 100,000 hours and its battery charges fully in one hour. It provides up to 60 hours of illumination at its lowest setting and 10 hours at its highest. Continuous dimming allows you to select the exact brightness you want, in a range from 2-10 lumens.Precision engineered optical grade lenses are specifically designed to distribute a wide field of consistent lighting with no hard edges. The precision lenses work in conjunction with High CRI LEDs (High Color Rendering Index LEDs) to provide better color rendering and even light output. Colors appear more vibrant and true, and with minimal optical distortion. With a durable soft-touch silicone gooseneck and strong versatile clip, the Recharge does it all.20" micro USB charging cable included.IDEAL FOR: medium sized books, avid readers, users who need constant light.2-10 LUMENS The Mighty Bright Recharge Light Is The Perfect All-Purpose Booklight, Providing 2-10 Lumens Of Adjustable Brightness With A Battery Life Of Up To 60 Hours At Its Lowest Setting. Fully Charged Within 1 Hour, With Micro Usb Charging Cable Included The Continuous Dimming Feature Allows You To Select Your Exact Desired Brightness & With Its Optical Grade Lens, Light Is Distributed Evenly With No Hotspots Or Harsh Edges. With A Strong-Grip Clip, Soft-Touch Silicone Overmold.