Designed specifically for pistol use, the HE509T-GR X2 Reflex Sight features the Super Green LED that provides a versatile range of intensities for the brightest environments down to no-light situations. Not only is the Super Green LED an option for those with difficulty seeing red, it also gives greater power efficiency when using the optic in high brightness settings. But the innovation doesn't stop there. The HE509T also features Holosun's Solar Failsafe technology that allows the Sight to remain powered when your battery fails, as well as Shake Awake technology that activates the LED upon motion. Once inchawake, inch the unit provides your choice of 2 MOA Red Dot, 32 MOA Circle, or both at the same time. All this tech comes packages up in a titanium body that can take serious punishment in the field, making it one of the most well-rounded Reflex Sights we offer. Designed for use on pistols Titanium body can take the punishment of everyday carry Advanced LED technology gives you up to 50,000 hours of use on single battery Super Green LED illumination Multiple Reticle System (MRS): choose either a 2 MOA dot, 32 MOA circle, or both 10 daylight/2 night vision brightness settings Solar Failsafe uses ambient light to power the Sight Shake Awake technology activates the Sight upon motion and shuts the LED off during periods of motionlessness Multilayer reflective glass helps facilitate maximum light transmission and clarity Convenient battery tray compartment Includes RMR adapter plate, T10 L key, and CR1632 battery Note: RMR adapter plate is not compatible with ZEV or Shadow Systems RMR interfaces Order today!