DTS-31 is a high-performance military head mounted night vision binocular built by Detyl Optoelectronics with reference to pvs-31, an active head mounted night vision binocular in the United States. DTS-31 has the characteristics of super large field of view, high definition, no distortion, light weight, high strength (the overall performance is much better than the original version of the U.S. military products), which is the ideal choice for military night equipment.