Image fire detectors have extreme limitations when they are used in large indoor space and outdoor or field environments. Produced by Beijing Fa'antong Electronic Technology Co., Ltd.FANT-VSFDImage fire detector has the characteristics of non-contact detection, which is not limited by the environmental conditions such as space height, high temperature, explosive, toxic, high-speed airflow and so on. It greatly improves the accuracy and response speed of fire alarm, and effectively avoids the interference caused by various environmental background factors. This product is widely used in tunnels, petrochemical industry, coal chemical industry, iron and steel metallurgy, power plants, airports, gymnasiums, Convention and Exhibition centers, cultural and exhibition units and other places.