TKKOK M60 Night Vision Goggles Monocular Helmet for Adults, Mount Suitable. Item Package Dimensions L x W x H: 6.89 x 6.61 x 3.19 inches. Package Weight: 0.77 Kilograms. Objective Lens Diameter: 17.5 Millimeters. Product Dimensions: 3.94"D x 2.56"W x 3.07H. Number of Batteries: 1 Lithium Metal batteries required. (IR Auxiliary Illuminator): The laser illumination adopts 850NM/940NM optional, 940NM non-burst red laser, which has good concealment and non-exposure. The color of the imaging display can be switched. When used in a dark environment, it can be used for black and white ...