If that’s not enough, you can Select a scope with an option in which you can attach an external power resource. An honorable mention to the discussion about thermal scopes vs night vision is IR illuminators. These emit infrared light, which you'll be able to see when utilizing night vision. https://damienclopp.blogproducer.com/34289160/little-known-facts-about-infrared-light-for-night-vision-scope