Features: BAK4 Prism with 60mm Objective Lens - equipped with a 60mm objective lens, delivering clearer and brighter images with high color clarity and wide field of view. FMC Broadband Film - full optical lens coated with FMC film provides high light transmittance and crystal clear view. 40X Magnification - high power magnification to see closer and clearer, perfect for observing nature and long-distance viewing. Rubber Housing - the monocular is covered in rubber with anti-skid design, durable and waterproof, ideal for outdoor use. Compact and Lightweight - small enough to fit in your palm, great for traveling and outdoor adventures. Useful Accessories - can work with phone holder and tripod to enjoy beautiful view hands free through your phone and capture extra clear and appealing images. Wide Applications - perfect for hunting, hiking, bird watching, sport match, concert, traveling, and more.