-Directly Factory Supply -Best choice for night hunting SpecificationsYukon NVRS-F 3*60 night vision goggles /Night vision riflescope Image Tube Generation1+Magnification, x3Lens Diameter, mm60Field of View, degree15Resolution, lines/mm32~36Range of Detection, m120~200mDiopter Adjustment, D±4Power Supply, V2xAA (3V)Estimated battery life without IR under +20°C/68°F, hour24/70Eye Relief, ...