Designed for competitive speed shooting and personal defense the newest DeltaPoint Pro model features a large 6 MOA red dot that excels at rapid close-range target engagement and increases accuracy when it matters most. Your battery should be the last thing you have to worry about in the field. That’s why Leupold designed Motion Sensor Technology (MST) to extend your battery life. It automatically deactivates the illumination after five minutes of inactivity and as soon as movement is detected the illumination instantly reactivates keeping you in the fight for longer. IPX4 waterproof.