Night Running Lights, USB Rechargeable, Adjustable LED 90 Degree Chest Safety Warning Light with 3 Lighting Modes, 250 Lumens Waterproof Running Vest for Runners, Outdoor Activity, Walking, Running, Camping, Jogging, HikingFeature:More Safety: 1 cool white light on the front and 8 red light on the back, helps you see and see more easily and clearly in the dark, provides all-round protection. Improved vertical directional beam, which is 90 deg; with adjustable angle to meet your up and down tilt requirements.3 Light Modes: Throwing up to 250 LED lumens in a visibility range of 0.0-65.6 feet, this super bright hands-free night light, features 3 cool white modes (high/low/strobe). USB rechargeable and waterproof Design: 1200mAh battery, easily charged by computer, power bank (charging voltage: 3.7-5V). IP44 waterproof design perfect for outdoor activities, night running, walking, jogging, camping, hiking, fishing. (Note: Not suitable for riding)Lightweight & Comfortable: Ultra-lightweight with elastic strap, adjustable length to ensure comfortable. Suitable for most people, uses different sizes. Perfect accessories for night running: there are days when you go for a run, you just feel good. There are also days when working conditions are not so favorable. A big factor in maintaining a high level of motivation is to ensure that the right