High-performance features:  

Military-standard quality, with large eyepieces, clearer images and wider field of view.  
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  
Pocket-size , eazy to carry.  
Fine prism, long Exit pupil diameter and large eyepiece to ensure comfortable wear.  
Suitable for various fields such as military,public security,transportation,navigation, forestry,aviation,electricity and observation.  
Reached the standard of USA army (MIL-STD-810):  
Shock resistance:5~55~5Hz  
Strike: 20 g  
Waterproof: 1.5m,1h  
Extreme temperature:-43℃-55℃