Light and compact design. Top-notch performance. All external surfaces are a non-reflective matte black finish (except for the optical elements). “RED ON GREEN” reticle system with 1/2 MOA adjustment. Automatic brightness control(ABC) for tube protection. One-knob operation. Illuminated center red reticle for optimal contrast against a dark or light target. Mounts to standard weaver rails. Night Arrow is designed to use 1 AA type battery. Limited Two-Year Warranty.