The HE403C-GR Elite is the green reticle, solar version of the extremely popular HS403C red-dot. It features a crisp green 2MOA dot. The highly efficient light emitting diodes and solar cells allow Holosun solar optics to run without a battery in many lighting conditions. Additionally, the CR2032 battery lasts up to 5-years. The HE403C-GR Elite is compatible with industry standard mounting solutions.