Features: Convenient and efficient, environmental protecting and energy-saving, avoiding frequent battery replacement. Provide super brightness to ensures high brightness in dark environment and enhances safety. Adapt to different scene requirement, enhances warning effects, and ensures safety of cyclists at the night or in adverse weather conditions. Suitable for various weather conditions, even cycling on rain days. Compacts and without increase cycling burden, suitable for long-distances cycling. Specifications: Color:Four Elections Dimension:8×1.5×2cm/3.14×0.59×0.78in Component:Plastics+Silicones Package Includes: 1pc Rechargeable Bike Light note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.