High quality materials: This reflective running vest is made of high quality materials. It is skin-friendly, comfortable and freely adjustable and suitable for men, women and children. High brightness: The fluorescent and reflective belts support your detection at night, increase visibility and personal safety. This reflective vest is visible 200 m. It is your perfect safety gear when you want the best protection. 8 lights & 3 modes: This running vest has two sides with bright 4 LED strips with red light so you can be seen 360 degrees. Both sides of the LEDs have three modes: steady light, fast flash, slow flash. You are free to choose your preferred working mode. Higher safety: This safety vest offers you powerful front lights and safety warning rear lights that can offer you 360-degree reflection protection. Take your safety and visibility to a level! Lightweight and versatile: With four adjustable buckles and an elastic strap, your LED safety vest can be worn over a T-shirt, sports equipment, winter coat or any type of clothing in any season. Improve your safety while running, biking, dog walking, motorcycling, jogging, kids playing, driving traffic and much more. One size design, suitable for people weighing 35 kg to 85 kg Reflection Distance: Visible from 200 m under illumination of car lights Battery: CR2032, one each front and rear LED lights: Two sets of front and rear, 4 LEDs each, the normal red light Purpose: Suitable for night protection, night running, cycling, driving on behalf of others, etc. Color: green Material: elastic webbing + reflective film Size: 440 x 408mm Package contents: 1 x reflective vest (including 2 battery)