Crimson Trace 01-01810 HRO Red LED Illuminated Open Reflex SightCrimson Trace HRO Red LED Illum Open Reflex Sight 01-01810 is engineered for larger rifles and packed with exclusive features. Its rugged 6061 Series Aerospace Aluminum housing includes a recessed window to protect the lens and a top strap to deflect force in case of drops. Equipped with the CT MOTION Sensor, the HRO instantly activates when it detects movement, ensuring its always ready. Additional features include automatic shutoff after 8 hours of inactivity, a manual shutoff, a wide field of view for enhanced situational awareness, and a 2 MOA reticle for precision. The Crimson Trace 01-01810 also offers full co-witness height for iron sights and a side battery access slot for easy battery replacement without removing the optic. Crimson Trace Reflex Sights offer quick target acquisition with a wide field of view and crisp red-dot reticles, making them ideal for rifles, shotguns, and handguns. Known for their durability and reliability, these sights feature advanced electronics and easy mounting options, perfect for tactical and competitive use. Features of the Heavy Recoil Optic: Durable construction 6061 Series Aerospace Aluminum housing, a recessed window prevents lens damage, and an innovative top strap design to deflect force in the event the optic is droppedCT MOTION Sensor Instantly activates the optic when movement is detectedAutomatic Shutoff Deactivates the optic after 8 hours of inactivity2 MOA reticle with 12 brightness levelsFull co-witness height for use with iron sights Crimson Trace HRO Red LED Illum Open Reflex Sight 01-01810