Product DescriptionSurface material: rubberColor: BlackInput: 30x25Size: approximately 93 * 30 * 30mmField of view: 1000 meters/7000 metersViewing distance: 3m-1200mThe package includes:1 * Monocular telescope with strap1 * Storage bag1 * Clean cloth1. High Definition Prism - The zoom telescope is equipped with a BAK-4 prism and a fully multi-layer coated lens, ensuring excellent transparency and brightness. The transmittance is as high as 99.5%. The built-in low light night vision device can help you see things in dim and high-definition environments without feeling dizzy.2. Large Aperture Monocular Telescope - With a lens and large field of view, clear, comfortable, and sturdy rubber casing and grip, easy to use, preventing slipping from the hand. The nitrogen filled waterproof material has an anti fog coating and an O-ring sealing optical device, which can prevent moisture, dust, and dirt.3. Rotable Eye Mask - You can adjust the distance of the eye mask as needed. It is easy to use and quickly focuses. Ergonomic design helps you quickly and accurately focus on your goals with one hand. The sturdy rubber shell and handle make it comfortable to use and prevent it from slipping out of the hand.4. Anti slip texture treatment of the body - Our monocular telescope is equipped with the latest quick alignment smartphone holder and aluminum alloy telescope holder. Very suitable for various smartphones in the market. Easy to install, it provides high-definition images or videos to share your beautiful and magical moments with family and friends.5. Wide application range - monocular is very suitable for fishing, traveling, hunting, playing ball, listening to concerts, bird watching, and other outdoor activities.