Features: Accurate focusing function helps you to obtain clearer and brighter images. The large eyepiece is coated with high transparency blue layer, offering a larger and further view and comfortable for viewing. With full-optical glass lens planted MFC green layer, which will enhance the light transmittance and reduce the harm to our eyes. Waterproof and Fog Proof, portable and durable to use, suitable for sports, concerts, traveling, hiking, camping, and other outdoor activities. Comes with a phone holder, you can fix this telescope on your smart phone for taking clearer photos. Easy to install, just clip the lens to your device. Specifications: Color: Black Magnification: 16X Lens Type: BAK4 Telescope Tube Material: ABS Object Lens Diameter: 52mm (Contains the edge.) Focusing Type: Rotating the Object Lens Eyepiece Field of View: 66m/ 8000m Coating: MFC Green Layer Functions: Fog Proof, Waterproof (Only for daily waterproof, diving unsupported.) Size: Approx. 145 * 52mm Weight: 220g Package List: 1 * Monocular Telescope 1 * Cleaning Cloth 1 * Pouch 1 * Hanging Strap 1 * Universal Phone Holder 1 * User Manual