The EPS-CORE-RD-3 delivers full-size EPS viewing performance in a compact RMSc-footprint optic with a clean 3 MOA red dot built for everyday carry. Its enclosed emitter design protects the optic from dust and debris while automatic brightness adjustment keeps the reticle clear and usable in changing environments. Product Features High Visibility 3 MOA Red Dot: Clean 3 MOA red reticle provides precise aiming and fast target acquisition in a wide range of lighting conditions. Full Size EPS Viewing Window: Large EPS lens delivers an expansive sight picture for faster target acquisition while maintaining a compact RMSc footprint. Enclosed Optic Design: Sealed emitter housing protects the optic from dust, debris, and moisture for consistent performance in demanding environments. Automatic Brightness Adjustment: Forward facing light sensor automatically adjusts reticle brightness to match changing lighting conditions. Shake Awake Technology: Motion activated illumination powers the optic instantly when movement is detected and powers down when idle to conserve battery life. Side Loading Battery Tray: CR1620 side tray design allows battery replacement without removing the optic from the slide. Manual Brightness Control with Memory: Eight daylight and four night vision compatible brightness settings with memory recall of the last used brightness level. RMSc Footprint Compatibility: Direct RMSc footprint allows mounting on many slim and subcompact pistol slides without additional adapter plates. 6061 Aluminum Housing: Precision machined aluminum housing with hard anodized finish provides durability while maintaining a lightweight profile. IPX8 Waterproof Construction: Engineered for reliability with IPX8 waterproof protection and 5000G vibration resistance for demanding environments. Product Specifications Selectable Reticle: No Solar Power: No Forward Facing Light Sensor: Yes Shake Awake Technology: Yes Auto Off: Yes Memory: Yes Manual Brightness: Yes Automatic Brightness: No Lockout Mode: Yes Light Source: LED Wavelength: 650nm Reticle: 3 MOA Dot Magnification: 1x No Parallax: No Unlimited Eye Relief: Yes Multi-Coatings: Yes Battery: CR1620 Battery Life (Setting 6): 50,000 Hours Brightness Setting: 8 Daylight & 4 NV Removable Battery: Yes Battery Location: Side Tray Housing Material: 6061 Aluminum Surface Finish: Hard Anodized Housing Color: Black Adjustment Per Click: 1.5 MOA W&E Travel Range: 30 MOA Storage Temperature: -40 C~70 C Working Temperature: -30 C~60 C Submersion: IPX8 Vibration: 5000G Window Size: 0.9" 0.63" Body Dimensions: 1.61" 1.18" 0.97" Body Weight: 1.4 oz