1. Quality Optics: Featuring BAK4 prism and lens, the light transmission reaches up to 99.5%, delivering more light into the view, reducing chromatic aberration and ghosting, and providing you with a clearer, brighter, and more colorful sight. 2. Compatible with Smartphones: Enjoy sharing what you see with friends and family. The smartphone holder fits almost all smartphones on the market. Easy to install and share. 3. Professional Performance Monocular: This monocular offers 25x power magnification and a 30mm objective lens. Ideal for birdwatching, concerts, football games, climbing, hiking, driving, wildlife, and landscape viewing. It delivers higher resolution, greater light transmission, minimal distortion, and produces bright, sharp images with no color deviation. 4. Easy to Use: With our monocular telescope, you can quickly and effortlessly observe the scenery. Adjust the eyecup and focus wheel until you achieve a clear and bright image. The included smartphone mount and extendable, stable tripod make it easy to capture HD photos or videos. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store