Get ClearImages with this monocular telescope, giving you a clearer and more colorful scenery, easy to focus, provides you with BrighterImages, suitable for both adults and kids. Features: Large objective lens, higher resolution and wider visual field. Waterproof and moisture-proof design, suitable for various environments. Knob focusing, convenient and quick. High transmittance green film, improve ImagesQuality and brightness. Fine quality prism makes TheImages clearer, transparent and bright. Works well in low light and at night. Specifications: Type set A, set B (optional) Eyepiece: 18mm Objective lense: 40mm Exit pupil: 20mm Color: green Item size: 150 * 50 * 42mm / 5.9 * 2.0 * 1.7in Item weight: 260g / 9.2ounce Package size: 170 * 100 * 70mm / 6.7 * 3.9 * 2.8in Package weight: Set A: 320g / 11.3ounce Set B: 395g / 13.9ounce Packing List: Set A: 1 * Monocular Telescope Set B: 1 * Monocular Telescope 1 * Tripod 1 * Mobilephone Clip