Industry’s First Magnetic Charging Cover: Osight introduces a pioneering magnetic charging cover featuring a battery display that reveals the precise battery levels for both the cover and the optic making uncertainty certain. Boasting a 0.94 x 0.85-inch lens this optic ensures precise targeting even amidst recoil. The 3 MOA dot stands out clearly for quick and accurate dot acquisition. Turns off automatically after 10 minutes of inactivity wakes it up in an instant. The auto-sensing mode chooses the best brightness for you with 10 daylight levels and 2 night levels in manual mode and lockout mode catering comprehensively to all usage scenarios.