628' field of view; 575' range of viewCompact body with premium rubberized finishInfrared illuminator with 2 high-quality intensifier tubesPrecise diopter adjustment, low battery indicatorObjective lens: 50mm focal length, 4-element glass construction; ocular lens: 12mm focal length, 5-element glass constructionSpectral sensitivity: 400-900nmWeight: 2 lbs.Uses one 3V Lithium battery