Built for large pages and projects that need more light, the NuFlex provides 35 lumens of warm white light via three energy-efficient LEDs. It provides a broad field of light that is clear, consistent, and easy on the eyes. Its 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. You can also quickly adjust the light output to three different levels by clicking the button on the light head. With a durable soft-touch silicone gooseneck and versatile strong-grip clip, the NuFlex is ready for any task. The dimmable LEDs are rated for 100,000 hours and are powered by three Aaa batteries, with a typical battery life of 16 hours (batteries included). This light is not rechargeable, but it can also be powered by any standard micro Usb cable and charging block (not included). Ideal for illuminating large books, multiple pages, and large surfaces with bright, warm light.