An on-board microprocessor supplies automated battery check indication, up/down brightness scrolling and programmable car shutdown functions. All electronics are totally encapsulated in shock taking in resin compound.OperationOptics: Transmission holography - 100% parallax freeMagnification: 1x unlimited eye reliefTemperature: -20 to 150F (operating); -40 to 160F (storage)Sealing: Waterproof (submersible) & fogproofColor/Finish: Non-reflective black with difficult coat finishAdjustment (per click): 0.5-Inch at 100 yardsAdjustment Range: +/- 40 MOA travelMount: 1-Inch Weaver dovetail/Picatinny rail (Mil spec 1913)Return to Zero: Repeatable to 1 MOA after remountingHeads-Up Display Window Optical Surfaces: Anti-glare and scratch resistant coatingsWindow Dimensions: 1.20-Inch x 0.85-Inch (30 x 23 mm)Window Material: Shatterproof laminate (3/16-Inch thick)Field of view (100 backyards): 30 backyards (28m) at a 4-Inch eye reliefStandard Reticle: 65MOA ring with quadrant ticks with a 1MOA Aiming dotReticle Contrast Ratio: 28,000:1 brightest to lowestNight Vision Contrast Ratio: 10,000,000:1 with NV switch engagedElectrical Power Source: 2 x -InchN-Inch alkaline batteries (offered anywhere)Battery Life: 70 hours at nominal setting 12 (AA batteries: 350 hrs)Brightness Settings: 20 settings with scrolling featureAuto Battery Check Indicator: Flashing reticle upon start-up if batteries are at 20% of battery life.Auto Shutdown: At 8 hours - programmable to 4 hours-Model 550 AA-Order code 552. Other functions consist of a 65 MOA ring reticle with a 1 MOA intending dot; support for 2 1.5-volt AA batteries (lithium or alkaline); unlimited eye relief; and 30 brightness settings.
Holographic sight designed for close-in combat speed and versatility
Uses laser light to illuminate holographic red reticle projected on target plane
Improves target acquisition, boosts accuracy, and increases control
Rugged aluminum hood assembly; knobbed, tool-free mounting bolt
Requires 2 AA batteries; supports 1-inch Picatinny or Weaver rails