The Zbros Essential sight light features a weather reistant design, USB rechargeable battery, integrated strap system, rugged LED cable design, 4 programmable time settings, user friendly program control, 8 brightness level adjustments and a high output blue LED. Includes The Essential Sight Light controller, high output blue LED cable, USB micro plug, attachment strap, 1/4-28 LED (main housing), 8-32 thread adapter, 3/8-32 thread adapter and no-thread adapter.