The Holosun AEMS-EVO-GR is a compact enclosed reflex sight built around a large viewing window and an automatic brightness system with a forward light sensor. It features a 2 MOA dot and 65 MOA circle reticle system, multilayer reflective glass, and a Super LED for a crisp sight picture. Solar Failsafe and Shake Awake help keep the optic running in varied lighting and movement conditions. Powered by a side-loading CR2032 battery, it is rated for up to 100,000 hours of runtime in a 7075-T6 aluminum housing with IPX8 waterproofing and a 1000G vibration rating.