The new Mepro M22 is the next generation of the legendary Mepro M21 Reflex Sight, used for decades by the Israeli Defense Force, militaries, and law enforcement agencies worldwide. Smaller and more compact, the Mepro M22 is a reflex sight with fiber-optic illumination by day and premium Swiss made tritium vials by night that will perform in any lighting condition with no need for batteries, ever. The transition between the two systems is instantaneous and automatic. It's rugged, battle-proven construction meets or exceeds rigorous standards to thrive in the harshest environments. Extremely reliable in any weather condition, the Mepro M22 is suitable to use with NVDs as well as magnifiers. Tritium illuminance is warrantied for ten years.Features:100% self-illuminated aiming solution; no batteries neededReticle illumination is adjusted automatically based on ambient light levels at the optics locationAvailable in 3.5 MOA center dot with 40 MOA ringCompatible with NVDs and magnifiersCompact, lightweight ergonomic designMulti-Tool included for adjustments10 warranty on tritium illuminanceSpecifications:Weight: 9.1ozDimensions: 3.9"L x 2"W x 2.7"HDisplay Window Dimensions: 1" x 0.8"Reticle Color: RedHeight Over Bore: 1.5"Windage/Elevation Adjustment: 1 MOATotal Windage Adjustment: +/- 60 MOAPower Source: Fiber Optic (Day) / Tritium (Night)Magnification: 1xWeapon Mount: Picatinny Rail Quick Release (MIL-STD-1913)Water Resistance: 66ft for 1 HourOperating Temperature: -40AdegF to 140AdegFStorage Temperature: -40AdegF to 160AdegF