Pro Tac HPL USB FlashlightLithium ion battery recharges in the light in 7 hours Multi function, push button tail switch for one handed operation Anti roll head prevents the light from rolling away when you set it down Long range, high candela tactical light that produces a bright, far reaching beam that shines 374m to illuminate objects at a distance. Its USB rechargeable, and it accepts multiple battery sources, so youll always have a beam when you need it.