Specifications:Operation:- Optics: Transmission holography - parallax free- Magnification: 1x - Eye Relief: Unlimited- Length/Width/Height: 4.9-Inch by 1.8-Inch by 2.8-Inch (124x49x71 mm)- Weight: 14 ounce - Temperature: -40 to 150 F- Waterproof: Submersible to 66 ft depth- Sealing: Fogproof internal optics- Color/Finish: Flat Dark Earth (non-reflective black on some small components) or Non reflective black with hard coat finish- Adjustment (per click): 0.5 MOA (1/2-Inch at 100 yds)- Adjustment Range: +/- 40 MOA travel- Mount: USSOCOM requirements dictated dual quick release throw levers designed specifically for the Picatinny (MIL-STD-1913) mounting rail:- Certain commercial variants of the MIL-STD-1913 rail specification may not be compatible with the SU-231/PEQ (M553) mounting assembly.- The SU-231/PEQ (M553) base consists of (2) ARMS throw levers and is only adaptable to rails that properly accept the ARMS design.- Return to Zero: Repeatable to 1 MOA after re-mounting- Heads-Up-Display Window- Optical Surfaces: Anti-glare coating- Window Dimensions: 1.20-Inch x 0.85-Inch (30 x 23mm)- Front Window Material: 1/8-Inch solid glass- Rear Window Material: Shatter resistant laminate (3/16-Inch thick)- Field of View (100 yds): 30 yds (28m) at a 4-Inch eye relief- Standard Reticle: 65MOA circle with quadrant ticks with 1 MOA aiming dotElectrical:- Brightness Adjustment Range: 146,000:1 brightest to lowest- Night Vision Brightness Range: 1280:1 with NV switch engaged- Power Source: 2 x 123 lithium batteries- Battery Life: 1100 continuous hours at nominal setting 12- Brightness Settings: 30 settings with scrolling feature (10 settings for NV use)- Auto Battery Check Indicator: Flashing reticle upon start-up- Auto Shut-down: At 8 hrs- programmable to 4 hrs

ASIN: B002IWVKPC
Item model number: 553.A65TAN