Specification:Brand Name: E-SmartLED Type: XMLBattery: 1 x 18650 or 3 x AAA (not included)Material: Aluminum AlloySwitch Location: TailcapNumber of Modes: 3Theoretical Lumens: 1000lumensActual Lumens: 900lumensSwitch Type: Reverse ClickyRuntime: 3-5 HoursEmitter BIN: T6Current: 3200-4800mAWorking Voltage: 3.6-4.2VReflector: NoBeam Range: 200mStrap/Clip: NoColor: BlackPacking Include:1 x Flashlight