Thermal imaging relies on thermal energy rather than visible light to achieve imaging. Ships, boats, floats and other obstructions radiate heat, from dark night to daylight, in any light condition. With Peiport ship PTZ stabilization system(SVPTs), clear and stable visions can be provided 24 hours. Meanwhile, video recording, tracking and other powerful functions are also supported. The system are widely used in various maritime activities(Hong Kong Marine Police is using).