Specific modes: This eReader offers 3 modes 5 brightness levels for eye comfort, a bright mode for reading alone in the dark, a dim mode for reading with other lights, an amber mode ideal for shared spaces. Two time settings: Choose 30 or 60 minutes depending on your reading style. Whether it's a short article or a long novel, our timer aligns with your pace. In addition, the timer of this reading lamp protects your eyes from prolonged exposure to light. Flexible strong clamp: With its large sturdy clamp, this reading light attaches firmly to books offers a flexible head (180° horizontally 90° vertically) for easy adjustment. It stays stable, without slipping on the page. Enlarged light coverage: Compared with the traditional reading lamp, our design incorporates 9 LEDs for full illumination of your reading equipment, ensuring a brighter experience protecting your eyes. 80 hour battery life over a week: Immerse yourself in your favorite readings without worrying about the battery. Designed for efficiency, this book lamp lasts a whole week on a single charge easily charges via USB.