The H15R Core combines outstanding luminosity and clickless focusability. Long runtimes are guaranteed thanks to its powerful, removable battery with practical Magnetic Charging System. The Wheel Switch on the lamp head makes for easy operation and brightness control, while the lamp head itself rotates seamlessly so you can quickly direct light to where you need it most. And it is well protected from dust and water, making the H15R Core a perfect choice for demanding users.