BRIGHT & CLEAR: This mini telescope uses BAK4 prism lens with great light transmission. 25X magnification and 30mm objective lens with HD resolution provide you with a bright, wide and far field of vision (270ft./1000yds.). LIGHTWEIGHT & PORTABLE: This pocket-size monocular telescope will be your ideal travel partner, collapsible eyepiece with a very small volume and weight for easy storage, and the attached bag for convenient to carry it around with one finger. DURABLE & WATERPROOF: Main components of this spyglass are quality metal construction and shiny brass finish. Its waterproof design can eliminate the worry in rainy days, but don't used it in a heavy rain or soaked in water. WIDE APPLICATION: The compact telescope is quite suitable for watching sport events, up-close bird watching, hiking, travelling, sightseeing, etc. It helps to expand your horizons by seeing objects in distant or scene as if it were located very close to the eye. GREAT GIFT: The brass telescope comes with a leatherette bag, allowing you to take it anywhere, never missing any important or beautiful scenes. Perfect as a gift for kids to realize their captain's dream of exploring the world.