Specifications: It is designed to make you and your bike more visible than ever before. Increases the overall safety and security. It is not only a safe helper but also a beautiful decoration when using in the evening. Type: Bike Tail Light Material: Aluminum Alloy Housing, Silicone Fastener Belt Mode: Fast Flashing, Slow Flashing, Steady Light Colour: Red Battery: 2 x CR2032 Button Batteries(Included) Features: Low Power Consumption, Three Modes, Warming Light Length of Silicone Fastener Belt: 10cm/3.94" (Elastic) (Approx.) Notes: Due to the light and screen setting difference, the item's colour may be slightly different from the pictures. Please allow slight dimension differences due to different manual measurements. Package Includes: 1 x Bike Tail Light 1 x Silicone Fastener Belt