The ULZ-02 thermal imager uses an uncooled long-wave 640x512 infrared detector. It can be continually used at all day and night, also it can provide the crew with long-range observation, targeting and firing function in bad weather. It able to work in a passive manner under all dark and no light conditions. It has strong anti-interference ability to penetrate smoke, fog, dust and light rain. It is designed in accordance with the national standard of military thermal imager. It has the characteristics of high image sensitivity, low power consumption, small size, light weight, strong anti-complex backfigure ability, high reliability and stability. The product can be widely used in frontier monitoring, military target observation, coastal defense, railway, highway, industrial detection and other fields.