Theta Optics™ Open II reflex sight powered by three LR44 batteries (not included in the set) allows to use a green or red dot during both day and night operations. The aimpoint can be smoothly regulated vertically and horizontally. It features several brightness options. The user can select between four different aimpoints. Mounted on a standard 22mm RIS rail, the sight allows for rapid and precise aiming.

The purpose of Theta Optics™ is not only to provide high quality optical equipment, but also continuously broaden their offer with innovative solutions common to highest quality products. Prior to being introduced to the market, every product undergoes a series of tests. Theta Optics™ is a suggestion for users that seek a high quality product at a reasonable price.