LED Chip: 1*Luminus SST40Brightness: High: 2000 lumens, Mid: 1000 lumens & Low: 300 lumensLight Mode: High/Mid/Low/Strobe/Signal ModeRun Time: 3H/4H/15H/5H/200HLux: High ≥20000luxCharging Time: 4HColor Temperature: 5700~7300KBeam Angle: 11°Beam Distance: High ≥ 290MBeam Intensity: 20000cdLight System: ReflectorLight Effect: SpotlightBattery: 1*Built-in 21700 Battery 5000mAhMax Power: 10WHousing Material: PC + AluminumWaterproof: IPX8 Underwater 100mImpact Resistance: 1.5mDimension: φ38*161 mmNet Weight: 196g (with battery)