The Energizer clip light is a compact and versatile light source. It can be attached via a clip to a variety of surfaces and in different orientations, including backpacks, clothing, and books. The Light Fusion technology provides powerful and even light, making this lamp excellent for hands-free use during various indoor and outdoor activities. In addition to the white LED, it features a red LED for night vision mode and a red flashing LED for emergency situations, ensuring you are seen. Batteries are included.