【28 HOURS LIGHTING】Clip booklight built-in 1000 mAh rechargeable battery, 1.5 hours to get fully recharged and light up to 28 hours on low brightness mode, perfect for long travelling reading. 【MULTIPLE USES】This clamp reading lamp weighs only 2.3oz, small and portable. Perfect for kindle, laptop, computer, music stand, travel, camping, kid’s reading and study. 【11 LEDs BEAD & 9 ILLUMINATION MODES】Warm light, warm-white light and white light, each color temperature has 3 levels of brightness, 9 illumination modes, which satisfies your different lighting requirements. 【PROFESSIONAL EYE CARE】Since professional dimming, our LED book light functions are well controlled, uniform luminance, no flicker, no dazzle, perfect for working at night and reading in bed. 【HIGH QUALITY SERVICE】CeSunlight Rechargeable book light, 60-day money back guarantee & 3-year warranty, we focus on good quality and 100% customer satisfaction!