EXPS3-2 Sight - Reticle Pattern 65MOA Ring/(2)1MOA Dots, BlackManufacture ID: EXPS3-2Eotech has done it again by making the best even better. Offering true 2 eyes open shooting, a transversely mounted lithium 123 battery, and 7 mm raised base offering iron sight access, the new Extreme-XPS (EXPS) features easy to adjust side buttons and a single, quick release throw lever for easy attachment and removal.Features:- Reticle is a 68 MOA circle with 1 MOA aiming dot- Single transverse 123 battery to reduce sight length- Shortened base only requires at most 2 3/4 inch of rail space compared to the 4 inch N battery sights- Battery cap and latch are eliminated and replaced with a simple O-ring, tethered cap better sealing is achieved- Battery compartment is now separated from the base to allow it to hover over the delta ring of the rifle- Average battery life at brightness level 12 is roughly 500-600 hours, 3X battery life of N cell sights- Side buttons, NV compatible with a single quick detach throw leverSpecifications:- Length: 3.80"- Width: 2.30"- Height: 2.9"- Weight: 11.2 oz- Mount: 1" Weaver or Mil-Std 1913 Rail- Power Source: 3 Volts, 1 123 Lithium Battery- Brightness: 30 Settings (10 For Night Vision)- Water Resistance: 33 Feet (10 Meters)- Battery life: Approximately 600 Hours at Nominal Setting 12 at Room Temperature- Night Vision Compatible: Gen I-III- Reticle: 68 MOA Ring with 2 1 MOA Dots- Color Black