The rugged Element XR9r Rechargeable LED Flashlight has a scratch resistant focus beam lens that can adjust from a wide angle to an intense spot beam, Shockproof, Water resistant, Heat treated anodized aluminium body, Has a replaceable Li-ion battery, Rechargeable by Power socket, DC or USB, 3 brightness settings allowing up to 30 hours’ runtime at the lowest (strobe) setting, You can charge your phone using its Dual Power Flow function! Battery: Li-ion (Included), Brightness: 800 Lumens