Specification: Specification: Material: plastic, metal. Size: 18x14.5x6cm. Magnifying power: 80X80mm Objective lens and red film: Yes. Built-in coordinates: Yes. Night view: support.(low light) Distance: 5-3000m. Prism type: Bak-4. * Notice: It can't work in full dark environment. Package include: 1 x Telescope 1 x Carry Bag 1 x Strap 1 x Lens Cap 1 x Eyepiece Cap 1 x User manual Clear Image:Multiple layer coated Aspherical Lenses elements for Light reflection and minimal distortion,better image brightness,contrast and quality. Good Material And Design:Eyepiece with eye protective soft glue;Inner objective lens add yellow plated film turn-back film, in order to solve the problem of insufficient light, make the scene more clear;A truly infinite smooth varying zoom, precision focusing system;Ultra clear the built-in wide-angle lens, allows you to see larger Angle. Easy To UseCorrective optical coating are good for color fidelity and minimize distortion. Diopter System adjusting the imbalance vision of both eyes. The smooth and large center focus knob makes it simple to operate and easy to focus.