Features: 2 MOA Red Dot Reticle Precision 2 MOA red dot provides a clean aiming point for fast acquisition and accurate shot placement on pistol platforms. Enhanced Red Super LED 650nm red emitter delivers strong brightness with exceptional efficiency and extended battery performance. Forward-Facing Light Sensor Integrated photodiode automatically adjusts reticle brightness based on surrounding lighting conditions. Solar Failsafe System Solar panel provides backup power and automatic brightness adjustment in changing environments. Shake Awake Technology Motion activation instantly powers the optic on and powers down during inactivity to preserve battery life. Manual Brightness with Lockout Mode Brightness controls include memory and lockout modes to prevent unintended adjustments during carry or use. Side Mounted Battery Tray CR1632 battery compartment allows quick battery replacement without removing the optic from the slide. Extended 100,000 Hour Battery Life Efficient power management delivers up to 100,000 hours of operation on a single battery. 7075-T6 Aluminum Housing Reinforced aluminum construction with hard anodized finish provides durability for duty and concealed carry. RMR Footprint Compatibility Industry standard RMR footprint allows direct mounting to a wide range of optics ready pistol slides.