DRS-NV units amplify light to improve low light visibility. Moonlight and starlight provide sufficient lighting in most cases, however, during periods where cloud cover blocks moonlight and starlight, an external infrared (IR) illumination source is needed. Holosun recommends one of our laser devices with IR Illumination such as the LE321, or LS321. Verify your local and/or state laws before attaching and IR illumination device to a firearm with a night vision device. Reticle: 2 MOA Dot & 65 MOA Circle.
Brightness Settings: 8 DL & 4 NV. Dimension (in): 1.62×1.07×0.95.
Housing Material: 7075 T6 Aluminum. W&E Travel Range: ±50 MOA. What that means is if you order. It depends on where you live.