Include: 1 x Bicycle Tail Light, 1 x Strap, 1 x USB Cable Shell Material: Waterproof ABS Water Resistance: IPX2 Charging Time: About 2 hours Working Time: 3-6 hours depending on lighting mode Easy to install, fits most handlebars and seatposts 5 Lighting Modes: Slow Flash, Flash, Rapid Flash, Warning Light, 100% Brightness, 50% Brightness Package Includes: - 1 Piece Bicycle Tail Light - 1 Piece Strap - 1 Piece USB Cable Note: - Slight color variations may occur due to monitor display differences. - Allow for minor measurement discrepancies due to manual measurement. Our products are made with high-quality materials and designed for optimal performance and user satisfaction. We aim to provide clear and accurate product information to help you make the right choice. If you have any questions, feel free to reach out for support. Thank you for choosing this product.