The 808nm laser rifle sight produces a infrared invisible laser beam. There is a very small red laser dot on the target. It’s almost invisible except you. There are two ways to mount it . Check the pictures below. The infrared laser sight are designed to use at night, you can see the target dot with your night vision goggle, such as yukon 1st gen nivision goggles, but you can’t see the green or red laser sight with your night vision goggles.Green or red laser sight is much brighter than this infrared laser sight. It’s almost invisible except you. You can detect the infrared laser target dot with night vision. It’s shock resistant.