GENTOS LED USB 780 Run Rear Warning Requires Rechargeable Battery or 3 AA Batteries Astram Headlamp, Rechargeable, Lumens, 2-Hour Time, Light, (Sold

Dimensions (approx.): Head: 81.1mm W x 50.6mm D x 43.9mm H; Battery box: 89.6mm W x 32mm D x 62.6mm H; Weight: Approx. 209g (including batteries) Set contents and accessories: Main unit, non-slip headband, USB Type-C cable (20 cm), built-in rechargeable battery Brightness: High/780 lumens, Mid/400 lumens, Eco/200 lumens, Sub red LED/1 lumen, Battery: Dedicated rechargeable battery or 3 AA alkaline batteries (sold separately) Actual lighting duration: Head unit (High/2 hours, Mid/4 hours, Eco/10 hours, Sub red LED on/40 hours, Sub red LED flashing/50 hours), Rear recognition light (On/40 hours, Flashing/80 hours) Features: 1m drop resistance, water-jet proof (IPX5 compliant), maximum irradiation distance: approx. 173m