The Holosun HE507C-GR-X2 is a premium Open Reflex Sight made to be the best sight for your handgun. This optic is part of Holosun’s lineup of high-quality Holosun pistol sights, delivering clear, fast aiming with a Green Dot Sight reticle that is easy to pick up. If you are looking at the Holosun 507C x2 series, this model offers green illumination. A huge benefit of the Holosun HE507c is its power system. It has the Solar Failsafe feature, meaning the sight will keep running even if the main battery runs down. This power backup ensures your sight stays ready when you need it most. This works with Shake Awake technology. This feature keeps the display off when the gun is still, saving power. When you start to move the weapon, the sight wakes up instantly. You can also turn Shake Awake off completely and still get up to 50,000 hours of use from the battery alone. The Holosun HE507C-GR-X2 features a true Multi-Reticle System so you can choose your aiming point. It lets you choose between a 2 MOA Dot for precise shots, a large 32 MOA Circle for very fast close-range aiming, orboth together. For extra control, the Holosun green dot includes Law Enforcement Model (LEM) programming. This offers "Lock Mode" to stop accidental button presses while drawing or holstering your gun. "Manual Mode" gives you total command over how bright the reticle is. This tough optic is built for serious use. Buy this great Holosun HE507C-GR-X2 from EuroOptic today to get top features and excellent service. Features of the HE507C-X2Power Saving: Shake Awake technology turns on the screen instantly when you move it. Battery Insurance: Solar Failsafe system keeps the optic working even with a dead battery. Control: Includes Programmable settings for auto-shutoff time, Lock Mode, and Manual brightness control. Reticle: Multi-Reticle System featuring a 2 MOA dot and 32 MOA circle (green).Design: Open Reflex Sight design that is easy to use on handguns. Holosun HE507C-GR X2 Green Multi-Reticle Circle Dot Open Reflex Sight w/ Solar Failsafe and Shake Awake - HE507C-GR-X2