With a strap and buckle design, this sports light can be freely adjusted for tightness, and it has a variety of ways to wear, making it comfortable to wear. By using 3 light modes and one-touch switch, this sports light is simple and easy to use, and it is waterproof design, making it unaffected by rain and sweat, perfect for running, cycling and other outdoor sports. It is constructed of plastic material. The length of this sport flashlight is 4.7cm, the width is 2.7cm and the height is 1.8cm. It is suitable for running and cycling. Item Name: Sport Flashlight Material: Plastic Features: Direct Spotlighting, Type-c Interface, Safe Battery Capacity: 300 mAh Style A: Wrist Light Style B: Helmet Light Style C: Ankle Light Size Details: L: 4.7cm/1.85", W: 2.7cm/1.06", H: 1.8cm/0.71"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Sport Flashlight