Brand: U`KingColor: BlackFlashlight Material: AluminumLamp beads Model: XPELamp beads: 1Lumens: 600lmMode: Strong / Low / StrobeBattery: 1 x 18650 (not included)Operating Voltage: DC = 3.7V / 4.2VStart Voltage: DC = 3.7V / 4.2VRun Length: 4H (depending on the battery capacity calculation)Range Distance: 300mLife: 100000hFocusing: YesWaterproof grade: IPX-4 (do not dive)Switch Location: TailLight cup material: metalBulb Color temperature: 6500-7000KMemories gear: YesHandle: non-slip handleFlashlight battery installation: flashlight itself indicate positive and negativeFunctions: climb・ work・ travel・ hunting・ first aid・ cycling・ daily use・ Camping / Hiking / Caving