Nitecore HC50 565 Lumens CREE XM-L2 LED headlamp Genuine Nitecore NL189 18650 3400mAh Li-ion rechargeable battery, Nitecore i2 intelligent Charger, Car Charging Cable and Two EdisonBright CR123A Lithium Batteries Powered by a single 18650 lithium-ion battery or two CR123A batteries for up to 565 lumens of output Purpose-designed for hiking, climbing, camping and general outdoor recreation High-efficiency circuit provides up to 400 hours of runtime A custom catoptrics-based system produces an extremely wide 100 beam angle Bundle includes Nitecore i2 home/in-car charger, Nitecore NL189 3400mAh rechargeable 18650 Li-ion battery, two EdisonBright CR123A lithium batteries