The HE512T-RD is an enclosed reflex optical sight. Features include a Titanium housing, Holosun's Super LED with up to 50k hours battery life, Multi-Reticle System, Solar Failsafe, and Shake Awake.Multi-Reticle System: Circle Dot; 2 MOA Dot; 65 MOA Circle. Up to 50,000 Hours Battery Life (Setting 6). 12 Brightness Setting: 10 DL & 2 NV Compatible. Completely Enclosed Design & Titanium Housing. Parallax-free & Unlimited Eye Relief. Holosun HE512T-RD Enclosed Reflex Multi-Reticle Red Dot Sight Specifications. 2 MOA Dot & 65 MOA Circle. If the wrong contact details are provided any losses incurred as a result will be the buyers responsibility. INTERNATIONAL BUYERS - PLEASE NOTE.