The Trijicon MRO (Miniature Rifle Optic) has been designed from the ground up to provide the greatest possible viewing area in a compact form factor that promotes both-eyes-open shooting. This helps increase situational awareness and reduces the time needed to engage targets even in non-standard shooting positions.The forged 7075-T6 aluminum housing is exceptionally durable with fully protected adjustments that hold zero even under rough handling. Advanced electronics also provide up to 5 years of continuous use of the ultra-sharp 2 MOA red dot. Fully sealed to the elements and just 4.1 oz without mount, the MRO is equally at home on rifles, carbines, and shotguns whether on the range or under the most demanding conditions.Features: Forged 7075-T6 housing 8 brightness settings including two night vision Wide 25mm objective lens Ambidextrous brightness knob Protected adjustments Up to 50,000 hours of battery life Powered (1) CR2032 battery Includes absolute cowitness AR Height riser mount