Made of polyester with LED bulbs inside. It has three light modes: fast strobe, slow flash, or steady on. It can increase visibility to protect you from risking in the moving car. Suitable for jogging, walking, cycling, running and other outdoor activities which need a safety light at night. It\u0027s the perfect advertising item for bicycling enthusiast groups, marathons, triathlons and more. One battery is included and the battery is replaceable.
