Garberiel CREE XM-L T6 Tactical Zoomable 3000 Lumen LED Flashlight Torch Lamp 5000 Lumen (Max Output) Cree T6 LED; Sturdy and well built; Easily and durable use; Small, compact and Versatile; Use in a wide variety of situations and circumstances Internal wiring applies the high efficient booster circuit, working voltage is wide and can utilize the batteries in the largest extent. Output bright can come to 7 W (MAX).Battery type: 1 x 18650 3.7v BatteryNot Including) 3-mode adjustable Brightness,High/Low/Strobe Suitable for Self Safety, hunting, cycling, climbing, camping and outdoor activity etc.