The Solidline ST6R is made from the same grade of aluminium as aircrafts, giving you extreme levels of durability. It's also water-resistant for use in the rain and features a dust cover to protect the USB charging port during use.Focus control system - easy to adjust with rotationRechargeable 18650 lithium-ion batteryAircraft-grade aluminium construction with non-slip surface structureRemovable metal clip for attaching to belt or shirt pocketSplashproof water resistance Lumens: 900Beam distance: 240 metresRun time: 40 hoursWeight: 135 gramsDimensions: 12.6 x 2.6 x 2.6 cm (LxWxH)