Fenix HP40F 450 Lumen white/blue LED combination fishing Headlamp with Four EdisonBright CR123A Lithium batteries Specilized fishing blue/white headlamp Utilizes Cree XP-E2 M3 LED and XP-G2 R5 LED with a lifespan of 50,000 hours Uses two 18650 rechargeable cells or four CR123A batteries Remote battery case shifts weight from head to belt or pack Two dedicated light sources with independent controls Four EdisonBright CR123A Lithium batteries included in bundle