The Model 512 is fast becoming the most popular model HWS. This tacticaloptic is perfect for agencies that want the best in CQB speed andversatility, without the need for night vision compatibility. AA Batterymodel (supports Lithium and Alkaline). 65 MOA circle with 1 MOA aiming dotreticle pattern. Includes rugged aluminum hood assembly and knobbed,tool-less mounting bolt. Now available in Mossy Oak, Realtree, or black. SPECIFICATIONS:Mfg Item Num: 512A65 Magnification :1xObjective :1.20" x 0.85"Field of View :30 yds @ 4" Eye ReliefEye Relief :UnlimitedDOT Size :1 MOA DOTLength :5.4"Weight :10.9 ozFinish :BlackBattery :AA