The Mighty Bright NuFlex is the perfect all-purpose booklight booklight and is now available in a rechargeable model in 4 new colors! Search this ASIN for more info: B07N1X7NC3. The light shown on this page is our original non-rechargeable model, providing 35 lumens of adjustable brightness with a battery life of 16 hours. Powered by (3) AAA batteries or by standard micro USB cable, with no need to remove the batteries when using USB power. | With its three levels of step-down dimming you can easily select your desired brightness, and with its optical grade lens, the light is distributed evenly with no hotspots or harsh edges. With a strong-grip clip, soft-touch silicone overmold, and flexible, adjustable neck, The NuFlex is a go-to project light you’ll want to keep at hand. Manufacturer SKU# 47819 | Lightweight, portable, and multi-purpose - not just for books! It can be used free-standing on its wide base and the secure padded clamp opens to 1.5”, making the NuFlex perfect for camping, kids’ reading, studying, on music stands, as an automotive repair light, a computer light, for tasks, crafts & hobbies, travel, and for reading in bed without disturbing your partner. | Featuring 3 warm-tone High CRI LEDs (High Color Rendering Index LEDs) that mimic natural lighting, The NuFlex provides accurate color rendering and even light output. Colors appear more vibrant and true, and with minimal optical distortion. We quality test to FCC, CE, RoHS and Reach, UL, and California Prop 65 standards, and we audit our suppliers working and living conditions, and factory safety, to ensure high standards.