Package Contains:1x LED Flashlight/TorchMaterial: Aluminum AlloyPower Source: one 18650 Li-ion battery or 3x AAA batteriesMax Brightness: 4000LMIrradiation distance: >500mWater-resistant (IPX8): 5 gradeShock-proof: approx. 1.5MLength: 138mm; 161mmHead Diameter: 39 mmBottom Diameter: 29mmNet Weight: 138g