Battery is NOT included for shipment, thanks The Aimpoint Micro T-2 Features: Advanced optical lenses for even better light transmission. Front Flip-up lens cover is included. Transparent rear Flip-up lens cover is included. Reinforced protection of the turrets for even greater ruggedness. Ideal for rifles, carbines, shotguns, submachine guns and handguns. 1X (non-magnifying) parallax free optic. Compatible will all generations of Night Vision Devices (NVD). 1 Off position, 4 night vision compatible settings and 8 daylight settings of which one extra bright for use with laser protection glasses or in bright desert sunlight. No Mount ACET technology allows 50,000 hours (over 5 years) of constant operation from one battery. Available in 2 MOA dot size. Submersible to 25 meters (80 feet). Use as a standalone sight or “piggybacked”on larger magnifying, thermal, or night vision optics. Specifications: Optical Data: Reflex collimator sight: Red Dot Sight LED: Totally eye safe Red Dot Size: 2 MOA Parallax-free Eye Relief: Unlimited Anti-reflex coating Band Pass coating for NVD compatibility Magnification: 1 x