Fenix BC30R 1600 Lumens LED Bike Light, OLED display screen for the rest runtime and the battery percentage, Built in 5200mAh rechargeable battery with LegionArms USB charging cord Utliizes two Cree XM-L2 (T6) neutral white LEDs for better color rendition 1600 Lumen instant Burst activation with the included remote pressure switch Dual Distance Beam System; Maximum beam distance: 508 feet Digital display of the remaining runtime and battery power Built in 5200mAh/3.7 V rechargeable battery with Micro-USB charging