The EOTech 512 is a 1x magnification optical sight designed for close to mid-range engagements. Rear button operation makes it ideal for left or right handed users. The EOTech 512 has 20 daylight settings and can provide up to 1,000 hours of use with lithium AA batteries. The 512 is compatible with both 1″ Weaver and MIL-STD 1913 rails.
Features:Fits 1 Weaver or MIL-STD-1913 rail;AA lithium: 2,500 continuous hours at nominal setting 12 at room temperature.AA alkaline: 2,200 continuous hours at nominal setting 12 at room temperature.;20 daylight settings;Water-resistant to 10 ft.;11.5 oz