D161 – it is a night vision hunting sight (1 Gen.), it may be easily effectively used even in low-light-level conditions, as it has a built-in adjustable laser IR illuminator. Built-in IR illuminator allows to spare money, as you needn`t purchase it separately in comparison with all the rest night vision sights.
Two АА batteries provide enough time for undisturbed operation. It is easily used and is reliable. It withstands load impact up to 500g. There is smooth adjustment of aiming reticle brightness and various mount variants.