ASI-40C adopts Stirling cooled infrared thermal imaging detector. It can scan, detect and image process of the 360-degree perimeter to obtain infrared panoramic video images, and detect & alarm all kinds of invading targets within the field of view. ASI-40C can work normally in day and night, and has the characteristics of high sensitivity, strong detection capability and all-weather working, etc..It can be widely used in airport & port surveillance,border surveillance,important place protection,coast protection, wildlife observation, etc..