Product information: Color green Size: Front light: 4.8*4.8cm Rear light: 10*5.5cm Package Includes: 1 * Night Running Light Upgraded, 120 DEGREE ADJUSTABLE BAR - This easy-to-use tracker can be adjusted 120 degrees, the widest adjustment angle on the market. This running light meets the needs of uphill, downhill and straight runners, protecting your safety and avoiding accidental trips. 500 lumens 3 Brightness Levels - This night running light has 500 lumens and can illuminate the road 20 meters in front of you. The red display on the back can warn oncoming vehicles, help drivers identify runners, avoid accidents, and provide you with comprehensive protection. 3 lighting modes: high light, low light and strobe. You can change the lighting mode according to the road conditions. USB Rechargeable - The sports running light is USB rechargeable, built-in 2000mAh battery, can be charged by wall charger, power bank, computer, etc. After 3 hours fully charged, the running light can be used in high beam mode (4 hours) / low beam mode (8 hours) / flashing mode (15 hours). voch band as a gift - fashion movement. We are giving away an additional black shoulder strap. Two shoulder straps match different sportswear. Thanks to the highly elastic straps, you can adjust the length and tightness to your body to keep the light in the right position. The rechargeable LED running light weighs only 160 grams, which is very light and will not affect your exercise. GREAT GIFT GIFT -- This running light has a Water rating of 6 so you dont have to worry about rain or sweat. Ideal for outdoor sports. It is the best gift for father, husband and boyfriend who love jogging, fishing, camping, mountaineering and adventure.