Descriptions: Brand new and high quality. Quickly and securely attached to heel of your shoe. Super lightweight so you don't feel a thing. Multi-settings for high visibility and added safety. Clip it on your wrist, sneaker, mountain bicycle, etc It can glow and flash, improve personal safety when doing sports at night Suitable for outdoor sports at night, such as running, climbing, cycling,etc Also work as a great gift for sports lover at night Three modes:on, flash, off Specification: Battery: Powered by 2 CR2016 batteries. Material: Plastic ABS + LED Dimension: 9cm x 6.5cm x 3 cm / 3.54" x 2.56" x 1.18" LED Color: Red/Green/blue Package included: 1 x LED Shoe Clips Notes: 1. Due to the difference between different monitors, the pictures may not reflect the actual color of the item. 2. Compare the detail sizes with yours, please allow slight difference due to manual measurement. Thanks for your understandings.