8-40X40 High Power Magnification: As the strongest monoculars , it offers up to 8-40x magnification in a 40mm lens. This magnification gives you a clear view at up to 1000yds away which can provide you amazing viewing experience when travelling, bird watching;High Contrast and Resolution Images: High quality precision design featuring all glass high end optics, (BAK4 Prism & Multi-layer Green Film), this high power monocular telescope allows more light transmission and brightness and the light transmittance forming clear and colorful image;Easy to Use: You can see scenery Easily and Rapidly by using our monocular telescope for Single Hand-Adjust the eye cup and Focus Wheel until see clear and bright image, the Smartphone Holder and extendable stable tripod would help you to get a HD IMAGE or VIDEO easily;Waidely Compatible with Smartphone: Love to share what you see with friends and families The smartphone holder perfect for almost all the smartphones on the market. Easy installing and easy sharing, a good candidate for your next trip;