【DISCOVERY OPTICS】how to use DN-40S night vision sight ?

In this video, we show how to use and operate DN-40S.
more informantion or questions , feel free to ask me .
guys , happy hunting at night
-DISCOVERY OPTICS
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As an ISO9000 quality management system certified company, quality guarantee, we have continuously been one of the biggest optical device and part supplier in China with strong design & development capability, advanced management & quality control strictly abilities . We mainly manufacture Riflescope, Red Dot Scopes, Laser Sights, Range Finder, Rail Systems, Flashlights, Mounts, as well as other related components .
We have more than 80 models with own patent number .
Excellent quality, attractive designs, prompt delivery and reasonable prices are our promises to the clients. Our company cordially hopes to establish permanent , steady and cooperative partnership with you to create a bright future.

[@Vitusec]

Smith Young! My friend, you are doing well! Your optical sights are very popular in Russia! Good luck to you!

[@youngsmith5647]

thanks , dear friendm , i am fine here
I'm honored to receive your high evaluation ， we stll are wokring hard to prodcue better scopes
keep in touch

[@antoniustekege7405]

Bro "Pleace your revew is reticel