Description : NOB2FF Get the upper hand on the night with the Night Owl NexGen Optics Binoculars. Its powerful all-glass optics, two times magnification and wide field of view offer fantastic visibility any time of day. The IR illuminator feature that is built into these binoculars offers distinct and luminous viewing even in total darkness. The 2.5x Night Owl binoculars are equipped with a rubberized finish for durability as well as to protect the glass lenses. A Cr-123 3V lithium battery is required to use the binoculars night vision feature.