Power 1x Field of View 15.8m@100m Length 28mm Tubeless design with 32mm x 22mm. Reflex lens aperture provides a wide field of view, suitable for rapid fire or shooting of moving targets. Multi-Retical ( 4 Patterns ) or Variable Dot ( 4 different sizes ) are installed. Allen head screw type windage and elevation click adjustment with locking screw. Built in mount. Very light weight. Low power consumption. Batteries included.