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 . This reflective vest is visible 200 m. It is your perfect 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 : This vest offers you powerful front lights and warning rear lights that can offer you 360-degree reflection protection. Take your and visibility to a ! and versatile: With four adjustable buckles and an elastic strap, your LED vest can be worn over a T-shirt, sports equipment, winter coat or any type of clothing in any season. Improve your 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: blue Material: elastic webbing + reflective film Size: 440 x 408mm Package contents: 1 x reflective vest (including 2 battery) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.