GENTOS LED USB Rechargeable Lumens Brightness 11 Hours of Continuous Use Rear Recognition Uses dedicated rechargeable battery or 4 AA batteries Head

Dimensions (approx.): Head unit/80mm (width) x 44mm (depth) x 57.2mm (height), Battery box unit/90mm (width) x 45.1mm (depth) x 74.5mm (height), Weight: approx. 353g Package contents and accessories: Main unit, non-slip headband, spare headband (with non-slip), silicone band (with 4 buckles), helmet holder x 4, USB Type-C cable (50cm), dedicated rechargeable battery Brightness: High/800 lumens, Mid/400 lumens, Eco/40 lumens; Battery: Dedicated rechargeable battery or 4 x AA alkaline batteries (sold separately) Practical illumination time: High/11 hours, Mid/26 hours, Eco/96 hours, Rear recognition light on/200 hours, Rear recognition light flashing/400 hours Features: 1m drop resistance, dustproof and splashproof (IP64 compliant), maximum beam distance: approximately 180m