Description: Super Bright: This powerful LED armband emits bright, long-lasting LED light in high light mode, for seeing in low light and total . Make your night runs, morning runs, biking, camping, and walking secure High Reflectivity: When the power is out, this luminous vest ensures high reflectivity to keep you visible and safe during nighttime activities. Stay seen and stay safe with this reflective running gear Silicone : , this adjustable and lightweight silicone armband is an elastic bandage that fits anyone. It is lightweight, easy to carry, and for night running and walking Flash Mode: Featuring a waterproof , this LED armband has a flash mode that emits long bright flashing light for added visibility. The button battery is replaceable for continuous use Stay Visible: Don't let the dark stop you from enjoying outdoor activities. These running lights for runners provide a reliable light source for visibility and safety during nighttime walks or runs Specification: Color: multi-color. Material: ABS,Silica gel. Size: Approx 18.5*2.5cm/7.28*0.98inch. Use: Tie on the arm, or tie on the leg, so that your night riding and night running or walking more safe Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package Includes: Silicone armband *1