The MEPRO RDS PRO V.2, an upgraded version of the MEPRO RDS PRO has the optimized combination of: Supporting multiple selections of aiming patterns Supporting Red or Green aiming patterns 16 brightness positions (12 Day + 4 Night) Thousands of operating hours while utilizing a single "AA" commercial battery Clear transparent large display window The new RDS PRO V.2 sight is available with both Red and Green reticles, allowing each user to choose the optimized aiming pattern color according to his own preferences or environmental conditions. To facilitate night operations and long-range target engagement the MEPRO RDS PRO V.2 is compat Mfg: Meprolight