Description The Sig Sauer ZULU6 HDX PRO 42mm Binocular combines advanced image stabilization with upgraded HDX PRO(TM) optics for steady, clear viewing in demanding field conditions. Fourth-generation Optical Image Stabilization uses OmniScan(TM) and OmniLock(TM) technology to intelligently maximize stability, while redesigned ED glass, prism coatings, and an expanded field of view improve light transmission, glare reduction, and target acquisition. Powered by two AA batteries for up to 40 hours of runtime, the binocular is also IPX7 waterproof and fogproof for dependable use in changing weather. Specs Weight (with battery) 30 oz Dimensions 7.5" L x 4.8" W x 2.6" H Objective Lens Diameter 42mm Magnification 14x Field of View 4.2" Exit Pupil 2.9mm Eye Relief 16.7mm Waterproof Rating IPX-7 Battery Type (2) AA Alkaline Batteries Includes Carrying caseNeck strapOcular lens coversNew objective lens cover Manufacturer Warranty Sig Sauer Infinite Guarantee on the optical system with a 5-year limited warranty on the electronic components