FENIX TK75 L2 2900 Lumen Triple CREE XM-L2 U2 LED Flashlight/ Searchlight with Eight Nitecore NL189 340mAh 18650 rechargeable Batteries, Fenix AER-TK75 Extender tube, Battery Magazine , Two Nitecore i4 smart battery Chargers, EdisonBright battery sampler pack and Red Smith & Wesson LED CaraBeamer Clip Light Bundle Max 2900 Lumens using Cree XM-L2(U2) LED with a lifespan of 50000 hours Uses four18650 rechargeable Li-ion batteries. Extendable with included kit. 185mm (Length) x 52.5mm (Diameter) x 87.5mm (Head) Eight Nitecore NL189 3400mAh Li-ion rechargeable batteries included Two NITECORE i4 smart chargers for home & Car, EdisonBright battery sampler pack with Smith & Wesson LED Carabiner Clip Light included in bundle