High Brightness Chest Light and Adjustable Angle - This 800 lumen chest running light offers adjustable brightness levels high-low, and 120° adjustable beam design, ensuring optimal visibility for runners in any condition. Whether you're running in the dark or low-light conditions, this running flashlight guarantees safety and visibility. Front and Rear Lighting for Enhanced Safety - As a running light vest, this product features both 800 lumen front light and 5 Led rear safety light, making you highly visible to others during nighttime runs. Essential Night Running Light Designed for safety, this led running light ensures you're seen by drivers and pedestrians alike.