FENIX UC40 Ultimate Edition (UC40UE) USB Rechargeable 960 Lumen CREE XM-L2 U2 LED Flashlight with 3400mAh battery and Two LegionArms CR123A Max 960 Lumens, Uses Cree XM-L2 U2 LED with a lifespan of 50000 hours Tailored 3400mAh rechargeable Li-ion battery, USB Reachargeable with USB cord and battery Tri-fuel capable: USB charging/18650 Li-ion cell or 2CR123Abatteries 147mm(Length)25.4mm( Diameter) 144-gram weight (including the battery) Bundle includes two LegionArms CA123A batteries pack