Features: 12X50 High Definition Monocular Telescope: 12X magnification and 50mm object lens diameter help you see target clearly, whether you are searching for birds or trying to get a better view of the stage. High-quality Lens and Prisms: with fully multi-coated (FMC) optical lens and BAK4 prisms, which guarantees superior light transmission and brightness, and gives you a better field of view. Nitrogen-filled Waterproof: nitrogen-filled design, 10 meters waterproof, fits for most outdoor environment; can prevent moisture, dust and debris from getting inside the monocular telescope. With Phone Holder: comes with an adjustable phone holder that is compatible with iPhone X, 8/8 Plus, 7/7 Plus, Samsung, and other most of smartphones. Wide Applications: perfect for most of outdoor activities, such as hunting, bird watching, wildlife viewing, sports events watching, concerts, camping, hiking, traveling and more. Specifications: Magnification Times: 12; Lens: 50mm; Field: 80M; Field Angle: 6.5°; Prism System: BAK4; Focusing System: Manual Focus; Distance of Exit Pupil: 14mm; Exit Pupil Diameter: 4.1; Item Size: 15 * 6cm/ 5.9 * 2.4in; Package Size: 17 * 11 * 7cm/ 6.7 * 4.3 * 2.8in; Package Weight: 420g/ 14.8oz; Note: The smartphone and tripod showed in the picture are not included. Package List: 1 * Monocular Telescope; 1 * Strap; 1 * Carry Bag; 1 * Cleaning Cloth; 1 * Phone Holder; 1 * Users' Manual