[Activity-Specific Light Modes]This book light offers 3 modes & 5 brightness for eye comfort, a bright setting for solo reading in the dark, dim for reading with other lights, and an amber mode perfect for undisturbed shared spaces.. [Two Thoughtful Time Settings] Pick either 30 or 60 minutes to match your reading style. Whether it's a brief article or an extended novel, our timer aligns with your reading rhythm. Also, clip on light's timer helps safeguard your eyes from prolonged light exposure, especially when resting. [Secure Yet Flexible Clip on Books] With its long, sturdy clip, the clip on book reading light securely attaches to books while offering a flexible head(180horizontally 180 and vertically 90 and vertically 90 ) for easy adjustment. It stays in place without drifting downward over the page. [Enhanced Wider Light Coverage] Advancing conventional book lamp, our design incorporates 9 LEDs to deliver comprehensive illumination across your reading material. This ensures a brighter reading experience that safeguards your eyes, eliminating any dimly lit areas. [Week-long 80-hr Battery Life] Immerse yourself in your favorite stories without a second thought about battery life. Engineered for efficiency, this reading lamp lasts an entire week on a single charge and recharges easily via USB.