LATEST RUNNING LIGHT: Our running light for runners is both useful and stylish. The powerful front light helps you see potential obstacles or hazards, and the safety warning rear light helps vehicles and others notice you, providing all-around protection. IPX5 waterproof rating ensures performance in sweat and rain. 120-DEGREE ADJUSTABLE BEAM WITH 3 LIGHTING MODES: This running torch can be tilted up to 120 degrees, allowing adjustment of the beam angle while running uphill, downhill, or on uneven terrain. It offers three light intensity settings: 50%, 100%, and flashing. LARGE-CAPACITY RECHARGEABLE BATTERY: The chest-mounted running light uses a 2000mAh rechargeable polymer lithium battery, providing 6 to 8 hours of runtime and requiring 5.5 hours to fully charge. Includes a USB charging cable. EASY TO WEAR: The chest running light features an elastic band with adjustable length for secure and comfortable fit during activity. Maintains optimal positioning while running. Suitable for running, jogging, walking, hiking, camping, and fishing. Can be used as a running light, handheld torch, dog walking light, or early-morning or nighttime walking light. SATISFACTION GUARANTEE: We are committed to delivering high-quality products and excellent service in the outdoor sports category. If you are not satisfied with this chest light, please for assistance.