The HS403C is a solar version of the successful HS403A. Holosun's highly efficient light emitting diodes and solar panels allow Holosun solar optics to run without a battery in many lighting conditions. Additionally, the back-up battery lasts up to 5-years.
The HS403C is compatible with standard mounts. Both high and low 1913 picatinny mounts included. Up to 50,000 Hours Battery Life (Setting 6). 12 Brightness Setting: 10 DL & 2 NV Compatible. Parallax-free & Unlimited Eye Relief.