HIGH PROWERED FIELD AND LOW NIGHT VISION - 10x magnification with 25 mm objective lens,you even can get a 362 feet wide view at 1000 yards far away.You can see the stuffs clearly in weak light condition(NOT DARK). FULLY COATED OPTICS - All lenses are made from Bak-4 prisms with FMC multi-layer broadband green film, the light transmittance increases up to 99.5% for brighter and higher-contrast images. EASY TO FOCUS - It equiped with a easy central focusing knob and adjustable right eyepiece to fit different view distance,even kids can use it easily.Rubber cover can be rolled down, also perfect for glasses wearer. WATER-PROOF AND ANTISKID - Durable rubber texture anti-slip grip against careless falling or accidental crash. It is waterproof(Grade IP4),you can use this item in different situations in your daily life. LIGHTWEIGHT - Contemporary style, lightweight and compact(0.55 lb,5.12x5.12in), you can put it into your pocket to go where you want to go Fit for hunting, hiking, exploring, viewing, sailing, bird watching, concert, outdoor sports etc.