The AGM PVS-14 Night Vision Monocular is a rugged, lightweight, multi-purpose night vision device that has proven itself in combat. The PVS-14 image intensifier tube: Gen 3 Auto Gated "Level 1". The PVS-14 design was originally commissioned by the United States Military to enable nighttime operations. The PVS-14 can be used as a handheld device or mounted on the included head harness. The PVS-14 monocular is features manual gain control, an automatic bright light shut-off feature, built-in Infrared (IR) illuminator. The bright light shut-off feature ensures that the high-quality photocathode tube is protected. Includes soft carrying case, helmet/head mount adapter, head mount assembly, neck lanyard, operators manual, batteries, Demist shields, Sacrificial window and lens tissue.