The Mepro RDS PRO is an energy-efficient, compact sight, that provides thousands of operating hours while utilizing a single "AA" lithium battery. With battle-proven LED technology and a rugged MIL-STD design, performs under the harshest environmental conditions. With its large display window and clearly-defined Red-dot, the Mepro RDS PRO ensures rapid target acquisition with both eyes open. Offering four easily switchable reticle brightness intensities, the Mepro Tru-Dot® RDS fits every tactical scenario. To facilitate night vision operations and long-rage target engagement, the Mepro RDS PRO is compatible with GEN II and GEN III NVGs as well as with Magnifying Scopes. Its human-engineering allows positioning of NVGs and Magnifiers close to the sight's optics with no decrease in the field-of-view and without compromising convenient switch operation. Features:• NVG Compatible• Durable & Lightweight• LED Technology for low power consumption• Auto Shut-off mechanism for additional energy savings• Four Distinct reticle brightness levels for different scenarios• Compatible with Magnifying Scopes• Large display window• Integral Picatinny Rail Adapter• Low-battery indicator• Minimal maintenance• MIL-STD qualified