The long distance heavy duty large bi-spectrum PTZ network camera is a powerful tool for ultra-long distance intelligent monitoring and early warning. _x000D_ Equipped with advanced features such as bi-spectrum thermal and visual images, fire detection alarm, and optical defog, this camera can detect and capture detailed images of vehicles, humans, and fires measuring 3mx3m at distances of up to 20km, 6km, and 20km, respectively.
