Made Of ABS And PP | Features 2 Lights Stored In A Clear Case With Magnetic Closure | 2 Light Colors – Clear And Red | Red Light - 8 Lumens, White Light - 5 Lumens | 3 Light Settings – Solid, Slow Flashing And Fast Flashing | Stay Safely Visible While Running, Walking, Biking, Etc. | Elastic Strap To Easily Attach to Bike | Lithium Button Cell Batteries Included