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 reflex sight with fiber-optic illumination by day and premium Swiss made tritium vials by night that will operate 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 function in the harshest environments. Reliable in any weather conditions, the Mepro M22 is suitable to use with NVDs as well as magnifiers Like the Mepro MMX3. Product Features 100% self-illuminating aiming solution. No batteries needed Reticle illumination is auto-adjusted based on ambient light levels Available with a 3.5/40 MOA Bullseye or 10 MOA Triangle reticle Compatible with NVDs and Magnifiers Compact, lightweight ergonomic design Multi-Tool included for adjustments 10 Year warranty on tritium illuminance Product Specifications Magnification: 1X Display Window Dimensions: 1 x 0.8 (25 x 20 mm) Power source: Fiber Optic (Day) / Tritium (Night) Aiming Point Diameter: Bullseye 3.5/40 ; 10 MOA Triangle Reticle Color: Red Dimensions:(L x W x H)99 x 50 x 68 mm (3.9 x 1.97 x 2.68 in.) Weight: 260gr (9.2oz.) Windage/Elevation Adjustment: 1 MOA Total Windage Adjustment: +/- 60 MOA Height Over Bore: 1.5" (39mm) Water Resistance: 66ft For 1 Hour (20m) Working Temperature: -40 F to +140 F (-40 C to +60 C) Storage Temp: -40 F to +160 F (-40 C to +71 C)