"This is the most affordable Night Vision device in the world, period! Patented lever activated power supply substitutes expensive electronics, and the reduced manufacturing cost is passed on to the customers. Ideal for camping, hiking and all outdoor activities, when you do not want to depend on batteries. Do not be fooled by the low price, the fast lens coupled with a good image intensifier provide a sharp image, which is as good or better than competing products at 2-3 times the cost. The included powerful Infra Red Illuminator allows observation in complete darkness.|Most Affordable Night Vision Device|Powerful Infra Red Illuminator|Total Darkness Ability|Body Made of Metal Alloy|F/1.1 Lens, Ultra Fast|+/-4 Dioptric Correction|No Batteries Required|Export of this product outside of the United States of America is not allowed and is controlled by the US Department of State"