The Solidline ST7R 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: 1000Beam distance: 300 metresRun time: 40 hoursWeight: 160 gramsDimensions: 13.1 x 3.3 x 3.3 cm (LxWxH)