Description Perfect for anyone who wants fast target acquisition, reliability and durability without night vision capability. Water-resistant to 10 feet. Power source: two AA batteries (supports lithium, alkaline or rechargeable). 68 MOA circle with 1 MOA aiming dot reticle pattern. One inch Weaver or MIL-STD-1913 rail. Battery life: 1,000 continuous hours (lithium) at nominal setting 12, 600 continuous hours with AA alkaline. 20 brightness settings. Firearms, trailers, and some accessories are only available for purchase in stores. Each location follows all BATF and individual state/county/city laws to insure the desired product is legal for sale. Any info provided online is subject to change, please go to your local store for more accurate information.