The ATN PS22-WPTI Generation 2 Night Vision Adapter NVDNPS22WI has been designed to equip your daytime sight with night vision in a matter of seconds. This Night Vision Adapter from ATN can be used as a hand-held Monocular or can be mounted in front of a Daytime Spotting Scope, Monocular or Riflescope to provide it with Nighttime operation. When mounted in front of a Daytime Riflescope no shift of impact, no need to re-zero or change in eye relief occurs. The ATN PS22-WPTI Gen 2 NV Adapter utilizes a Multi-Alkali 2nd Generation Image Intensifier Tube technology for outstanding resolution and performance. The ATN PS22-WPTI is one of the most compact and lightweight units in it's class, only 640 grams. The sight is rugged, waterproof, lightweight and easy to install. The ATN Night Vision PS22-WPTI Riflescope Adapter is ideal for general Nighttime viewing, surveillance, sport shooting and target detection.