The Optisan Optisan RMX202 1x30 meets the military standards and is intended for use in extreme conditions. The point-of-aim size is 2 MOA. The backlight intensity regulation option has 11 steps. The collimator sight is compatible with night vision. It is powered with an AAA battery with 5000 hours lifespan. The collimator sight has 45 mm in height, 40 mm in length and 25 mm in width. JIS8 water tightness standard. Temperature range: -20 to 60 °C.