NVG-7U is based on the latest optoelectronic technology research and development of new products,，The instrument adopts the high-performance generation ii/three image intensifier, with excellent performance, small volume and weight ,light, clear imaging, simple operation, high cost performance, and  by replacing the objective lens (or connecting multiplier lens). It can change magnification and so on. The product can be adjusted arbitrarily according to different eye distances. The night vision instrument has built-in digital video acquisition system, which can easily realize digital video acquisition and transmission at night and under no illumination conditions, thus realizing visual command coordination at night. Built in red detonation lamp, infrared lighting and automatic anti glare protection. The product has strong practicability and can be applied to military observation, coastal defense reconnaissance, public security surveillance, forensics, customs anti-smuggling, etc. in no illumination environment at night. It is an ideal equipment for the public security department, armed police force, special police force, and guard patrol.