Brand: U`KingModel: ZQ-X1061Lamp beads Model: XML T6Lamp beads: 1Lumens: 1000lmMode: HighBattery: 1 * 18650 battery ( recommended and not included)Operating Voltage: DC = 3.7VStart Voltage: DC = 3.7VRun Length: 4H (depending on the battery capacity calculation)Distance range: 500-1000mLife: 100000hWhether focusing: YesWaterproof grade: IPX-5 ( do not drive)Switch Location: TailLight cup material: aluminumFlashlight lens: Convex GlassBulb Color Temperature: 5500KMemories 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・