1LIGHTING MODE: This running light has 7 colors of red, pink, blue, purple, green, orange, and white, with 3 gears adjustment and COB light mode.2ELASTIC WAIST: Featuring elastic waistband with adjustable height, suitable for all body types, can be worn outside a jacket in winter and on T shirt in summer.3FLEXIBLE ADJUSTMENT: This light can be freely adjusted within 090 degree, lightweight and flexible, making it suitable for night sports, and ensuring security.4BUILT IN BATTERY: The COB light has built in 650mAh battery that can last for about 810 hours, and can be connected to any charging device with USB interface.5APPLICABLE SCENES: This warning lamp vest is suitable for outdoor activities, such as night running, walking, hiking, cycling, etc., convenient and practical.1 x Running Light1 x Data Cable1 x Bracket1 x User Manual1 x Screwdriver