Theta Optics Optical Sight is powered by fourLR44batteries, (Battery not included) whose construction is modeled after the holographic reticle. The player can choose the red or green crosshairs. The scope can easily be used both day and night. The aiming point can be easily adjusted vertically and horizontally. It also has several degrees of intensity. The scope, which is designed to be mounted on a standard22 mm RIS rail, helps you aim quickly and accurately. It has all been enclosed in thedurable metal housing.
