The PO 1x20 is a unique 1x magnification sight that does not use batteries or a projected dot. The long eye relief provided by this optic allows for it to be used like a more traditional red dot, without the need of a power source. The illuminated reticle allows for aiming during both high and low light conditions. The illumation does not require a power source due to the reticle being coated in tritium. The sight operates from ambient temperature range from -40 to +40 °C and relative humidity up to 98% at temperature +25 °C.