The drs (defendu reflex sight) is so versatile and effective at close range, and is an effective system designed to rapidly disable an opponent with potentially lethal force.Perfect for tactical operations or home defense, the 1x reflex sight offers three reticles calibrated for speed and accuracy at 7, 25 and 50 yards.Battery: AAMagnification: 1xLength: 3.88"Weight: 10.40 ozFinish: BlackReticle: Illuminated C2 Red DotProofs: Fog/Shock/WaterproofWindage Elevation: 50 MOA