[--POWEFUL MAGNIFICATION: Powerful Magnification Mini monocular with powerful 7x magnification and 18mm objective lens. --CRISP CLEAR IMAGES: Fully-coated lens guarantees superior light transmission for optimal bright crisp clear images. --EASY OPERTATION AND DURABILITY: Nonslip armor provides a firm grip easy to hold. --PORTABLE: Measures 2.5" when retracted and weighs less than 2oz small enough to fit in your hand pocket purse bag. --APPLICATION: Perfect for camping hiking concerts bird watching boating traveling sporting events and other outdoor activities. With the super material the monocular telescope can be used for a long time definitely.]