ENHANCED RUNNING LIGHT: These safety headlights equipped with bright front and rear lights allow you to see obstacles or potential dangers and help the riders to be seen by the driver to avoid accidents in the darkness. 90 DEGREE ADJUSTABLE BEAM: Unlike the old main spotlight, this slide light is adjustable at a 90 angle to meet runners' demands for up and down slopes. Updated to 500 lumens, the path in front of the runner is illuminated at a light distance of between 25 and 30 meters. USB RECHARGEABLE BATTERY: This ignition lamp has 2 light settings: 500 lumens (strong light) for 4 hours, 125 lumens (low light) for 6-8 hours. Enough power to run or hike at night. With a built-in rechargeable lithium polymer battery, you can easily charge it with an adapter, power strip or computer anywhere and anytime. WATERPROOF AND ADJUSTABLE ELASTIC BAND: This floor lamp comes with flexible strap and adjustable length for comfortable wearing. It is zoomable and durable for runners of different sizes, male, female, fat and thin. Plus, it's waterproof for outdoor use, great for running, jogging, walking, hiking, camping, fishing, etc. QUALITY GUARANTEED: Adjustable chest, more comfortable and useful, better substitute for headlamp and torch. We offer a 30 day refund and 180 day free return. For any questions, do not hesitate to contact us. We will get back to you within 24 hours. Brightness: 500 lumen frontal light Rate Power: 10W Lighting distance: 0-30 m Material: ABS Battery: 2200mAh, lasts 3 to 6 hours, and fully recharges in 5 hours. Waterproof rating: IP65 Package dimension: 11.7 * 11 * 9cm Net weight: about 160g Front light size: 9 * 10 * 2.2cm / 3.5 * 3.9 * 0.9 " (L * W * H) Rear light size: 7.1 * 11.7 * 1.7m / 2.8 * 4.6 * 0.8 " (L * W * H) Package includes: 1 x Running Light 1 x USB charging cable 1 x user manual