The AGM Global Vision 3AW1 NV 1x Binoculars is a multi-purpose night vision monocular. The rugged, composite construction remains resilient and durable out in the elements, and it can be handheld device or mounted onto a helmet, providing night vision capabilities. The gain control lets you adjust the brightness for better image quality in changing light conditions, and the bright light cut-off feature helps promote the photocathode tube's longevity.