Military-standard quality, with large eyepieces ,clearer images and wider field of view with a light transmittance of 75%. Rubber pads and rubber-coated focus knob for secure grip and sure handling *Durable,shock resistant and waterproof design to withstand the rigors of frequent outdoor use. Military ranging reticle installed that can measure both distance and direction. *Suitable for various fields such as military,public security,transportation,navigation, forestry,aviation,electricity and observation. Shock resistance: 30 g 240Kpa Waterproof: 1.5m, Extreme temperature:-25℃~+55℃ 8x36 binocular waterproof & shock resistant multilayer coating