Brightness: Multiple layer coated aspherical Lenses elements for Light reflection and minimal distortion,better image brightness,contrast and quality Easy to operate: The smooth and large center focus knob of high power telescope makes it simple to operate and easy to focus. Ultra clear the built-in wide-angle lens, allows you to see larger Angle Clear: Inner objective lens and yellow plated film turn-back film of thre HD binoculars can solve the problem of insufficient light, make the scene more clear Suitable: The binoculars is specially designed for outdoor activities such as hunting, birding, hiking, camping, watching wild animal and landscape Material: The binoculars are made of ABS plastic and it also come with a binocular strap. And nonslip rubber armor is made for secure grip, shockproof, light water resistant