If you are looking for a professional and affordable portable high definition monocular set, then your search is over here. That's because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience. Features - Color: Black, random color telescopic bracket. - Material: Plastic, aluminum alloy. - Size: 20.00X19.00X10.00cm/7.86X7.47X3.93 inch. - In order to avoid the dark corners of the picture and restore the true colors, adopt selected material in the telescope, which has a higher refractive index than ordinary glass and a clearer images. - Optical lens green film coating multi-layer composite coating film technology, all-optical lens, comfortable and easy to see the scene. - Increase imaging sharpness, increase the transmission bandwidth, wide field of view, improve the effect of eyes protection and the degree of color reproduction.