1. Improved 120-degree adjustable bar--This easy-to-use traffic light can be adjusted up to 120 degrees, with a relatively wide adjustment angle available. It fully meets the needs of riders on uphill, downhill and straight roads, helping to protect safety and reduce the risk of accidental tripping. 2. 500 lumens and 3 brightness levels--This night running light has 500 lumens and can illuminate the road 20 meters ahead. The red screen on the back can warn approaching vehicles, assist drivers in identification, help avoid accidents and provide protection. There are 3 lighting modes: high light, low light and strobe, allowing users to change according to road conditions. 3. USB charging--The sports running light is charged via USB, with a built-in 2000mAh battery, and can be charged using chargers, power banks, computers, etc. After 3 hours of full charge, it can be used for 4 hours in long-distance lighting mode, 8 hours in low light mode, or 15 hours in flash mode. 4. Versatile for gifting and use--It has a fashionable design suitable for exercise. An extra black shoulder strap is provided, and the two shoulder straps can be matched with different sportswear. The highly elastic straps allow adjustment of length and firmness according to body shape to keep the light in the right position. The rechargeable LED running light is lightweight, causing little interference with training. 5. Suitable gift option--This running light has IP6 waterproof rating, so there's no need to worry about rain or sweat. It is suitable for outdoor sports and can be a gift for dads, husbands and friends who enjoy jogging, fishing, camping, hiking and adventure.