High power with up to 2,000 lumens of brightness and 790 feet (241 meters) beam range; Rechargeable battery pack charges inside or outside the headlamp via a USB-C port; Three lighting modes: high/medium/low for customizing lumen output and runtime; Impact-resistant aluminum body with Type II MIL-Spec anodized finish for durability; Waterproof IP64 rating; dust-tight and water resistant; Protac 2.0 Headlamp; SL-B50 rechargeable battery pack; USB-C cord; Rubber and elastic head straps