Fenix HP12 900 Lumen CREE XM-L2 LED Headlamp with Fenix ARE-C1 battery charger, Fenix 18650 3400mAh ARB-L2S rechargeable battery and two EdisonBright CR123A Lithium batteries bundle 900 Lumens Cree XM-L2 LED with a lifespan of 50,000 hours Uses one 18650 or two 3V CR123A Lithium batteries Digitally regulated output - maintains constant brightness All-function switch in the head for easy and fast operation This bundle includes Fenix ARE-C1 battery charger, Fenix 18650 3400mAh ARB-L2S rechargeable battery and two EdisonBright CR123A Lithium batteries