1、With fixed metal clips, built-in fixed valve to adjust the tightness, not only stable but also widely used. Single / dual camera can be used. 2、Removable combination lens. It is very convenient to carry, small and easy to store. 3、One second convenient installation, you can take pictures on the folder. Convenient and fast. 4、The telescope can adjust the magnification freely. Zoom in and out, adjust focal length as you will. 5、A wide range of compatibility. Suitable for most phones for Android, for phones, for iPads and other electronic products. Features: 1. With fixed metal clips, built-in fixed valve to adjust the tightness, not only stable but also widely used. Single / dual camera can be used. 2. Removable combination lens. It is very convenient to carry, small and easy to store. 3. One second convenient installation, you can take pictures on the folder. Convenient and fast. 4. The telescope can adjust the magnification freely. Zoom in and out, adjust focal length as you will. 5. A wide range of compatibility. Suitable for most phones for Android, for phones, for iPads and other electronic products. 6. 18-30X telephoto telescope, suitable for concert, live broadcast and travel shooting landscape. Specifications: Model: 18-30X zoom mobile phone telephoto lens Lens: 10 layers of optical glass lenses Coating: 12 layers of red film UV mirror: for SLIMMC UV37MM Multiple: 18-3Xadjustable Lens length: 146.5MM/5.77in Front diameter: 37MM/1.46in Universal models: for most single/double lens phones on the market Shell material: aluminum alloy Shooting distance: 3-8000 meters Back diameter: 12.66MM Use range: daily life / outdoor travel lens Size: Approx. 14.5*4.1*4.1cm/5.71*1.61*1.61in Package List: 1 * mobile telescope 1 * triangular bracket 1 * Wipe cloth 1 * lens clip 1 * Eye cover 1 * Bag 1 * User Manual 1 * large dust-proof cover 1 * small protective cover