- Power Indicator: The rechargeable reading light features a clear power indicator, allowing you to monitor remaining battery life effortlessly, eliminating any worries about losing power during use. - Battery: Equipped with a high-capacity 2200 mAh battery, this light is FCC, CE, and UL certified. Enjoy up to 120 hours of low brightness on a single charge, making it ideal for late-night reading or travel. - Adjustable Color and Brightness: Easily attach this light to any book and customize your reading experience with three adjustable color temperatures: warm light (3000K), natural light (4000K), and cold light (5000K), all at the press of a button. - Timer Function: The built-in 30-minute timer allows you to read without the worry of forgetting to turn off the light, ensuring a peaceful sleep after your reading session. - Eye Protection: Designed for night reading enthusiasts, this light uses high-quality LED beads with a Color Rendering Index (CRI) of 90, delivering the most realistic colors and reducing eye strain during extended use. Use Cases: 1. Ideal for bedtime reading without disturbing a partner. 2. Perfect for travel, providing lightweight and portable lighting for night-time adventures. 3. Great for students studying late at night, ensuring comfortable illumination without harsh glare.