"The Bushnell Equinox Gen 1 Night Vision 2x 28 mm Monocular gets you up close and personal with the great outdoors. Every Bushnell optic is the direct result of extensive research and design. Investigating what goes 'bump-in-the-night' with Bushnell's Equinox Gen 1 2x 28 mm night vision monocular can be quite exhilarating. This lightweight waterproof NVD provides the power of sight without light in a small ergonomic form factor.With its sleek yet rugged looks, 2x magnification, 28 mm objective lens, built-in IR illuminator and durable rubber housing, the Equinox Night Vision monocular is an excellent choice for camping, caving, wildlife observation, surveillance or any time and place you think you're ready to experience the secrets of the dark first hand.There are many different variables that affect the distance that one can see with a night vision device, among them the object's size, the level of details being sought from the object and the conditions of observation. Night vision devices detect much further under a full moon and clear skies than they will under a new moon and cloudy skies. Many different formulas are used to determine the statistic of maximum viewing range and the method of calculation varies by manufacturer.All night vision devices have mechanisms in place to protect the intensifier tube from a sudden burst of bright light, but this does not mean that bright light doesn't damage the device. No matter what, bright light in any form i|Super bright Gen 1 analog tube|True 2x power magnification|IPX4 water resistant|Durable rubber covered housing|656-feet viewing range|Long battery life|Compact and lightweight|Tripod mountable|Operates on 1 CR123 battery|Night Vision: Scouting game|Night Vision: Security and surveillance|Night Vision: Camping fun / Exploring caves|Night Vision: Nighttime navigation|Night Vision: Night fishing and boating|Night Vision: Wildlife observation|Night Vision: Search and rescue|Export of this product outside of the United States of America is not allowed and is controlled by the US Department of State"