Fenix HP30 900 Lumen LED Headlamp (Grey or Yellow) Flashlight with LegionArms CR123A Lithium Batteries Pack (Iron Grey) Uses Cree XM L2, with a lifespan of 50,000 hours Maximum -Lumen output with a throw of 233 meters and 300 hours on Eco setting 4 Brightness Levels Plus Burst and SOS, Burst-900Lumens, High-500 LM, Mid-200LM, Low-65LM, Eco-4LM Lockout Function - prevents the light from accidental activation;60-degree tilt mechanism;Remote battery case with USB port HP30 pack comes with Four CR123A LegionArms Battery pack