10X-300X magnification with 40mm lens, whether you are searching for birds or trying to get a better view of the stage, the monocular telescope can help you see target more clearly. Features: 10x-300x power magnification lets you lock onto your target and zoom in for more detail. BAK4 prism and FMC lens ensure superior light transmission and brightness forming a clear and colourful image, making your vision brighter and clearer Comes with a smartphone holder and tripod, allowing you to project images on your phone with the monocular Made of alloy material, features a textured surface for a non-slip grip Focus by adjusting the eye cup and hand wheel Water-resistant, Lightweight and compact Perfect for hiking, bird watching, ball games, climbing, concerts, travelling, seeing the scenery Specifications: Material: Metal, Rubber, Glass Colour: Black Size Adjustable length: fully collapsed: 12.82cm, pulled up: 15.89cm, fully lifted: 19.3cm Exit Pupil: 40mm Eyepiece: 12mm Objective Lens: 25mm View Angle: 2.0-3.5 degrees Magnification: 10-300x Close-range focus: 2.2 Eyepiece coating: FMC Coated film Field of view: 4.4/2.1 Water-resistant: life water-resistant Package Contents: 1 x Telescope 1 x Storage Bag 1 x Wiping Cloth 1 x Manual 1 x Rope 1 x Clip 1 x Tripod