The new RDS Micro Edge Red Dot Sight with digital illumination is new for 2010, and offers a new dimension in quality compact sights. It is parallax free and ready to be mounted on any weaver/picatinny rail. Ideal for AR-15 rifles, Shotguns, Pistols or to add to a larger riflescope using our accessory rings. It features a 4 MOA bright red dot, vizible in bright daylight. Runs about 8000 hours on a 2032 Lithium battery at the #1 position. MICRO EDGE MAGNIFICATION................................1X OBJECTIVE SIZE................................21mm EYERELIEF..........................................UNLIMITED, PARALLAX FREE RED DOT SIZE...................................4 MOA CLICK ADJUSTMENT...........................1/2 MOA @ 100 TOTAL ADJUSTMENT RANGE................56 MOA @ 100 BATTERY LIFE....................................8000 HOURS ON #1 SETTING TEMP. OPERATIONAL RANGE...............-30 F TO + 50 F WATERPROOF....................................2 FT FOR 10 MIN. LENGTH.............................................2.4 IN. WEIGHT.............................................4 OZ. Availability: Usually ships the same business day. MSRP: $279.00USA Optics: $199.90 Have a Question? Interested in an item? Give us a call or Send us an E-mail! Phone:1-404-433-7371 E-Mail: LauraAMeade@aol.com or mbskin@yahoo.com We're available anytime after 8:30amEST!!