Model: 10-30x25 Magnification: 10x -30 times Eyepiece diameter: 10mm Objective Diameter: 25mm Prism Category: bk4 Coating: multilayer broadband green film. Minimum size: 128 mm x 31 mm. Maximum size: 182 x 31 mm. FOV: 10 times: 3.5 ~ 30 times: 2.0 Focus mode: stretch or rotate focus (two ways). Non-slip technology: compatible. Waterproof technology: not supported. Folding technology: stand. Zoom function: supported. Material: Aluminum. Environmental parameters: (the best telescope storage conditions). Humidity: 65% or less. Tripod interface: supported. Purpose: Travel trips, outdoor sports, with the appearance with the use. Section close to the focal length of up to 0.5m, the close-up view of the development is quite an advantage. Compact, lightweight and can be carried at any time. Packing List: 1 x monocular telescope