The SR-4C features a true 1X power, 4 MOA, daylight visible red dot sight rolled up in a rugged 30mm hard-anodized aluminum body. The second focal plane red dot can be set at any of 12 pre-programmed intensity settings. The lower four settings are night vision compatible. The SR-4C comes standard with a non-lit, MIL Scale* reticle for ranging and acquiring targets at short distances to 400+ yards and in close quarters conditions. US Optics SR-4C 1-4x22 Mil-Scale Digital Red Dot Sight