Guardian is a series of smart sensors integrated into a small, robust buoy designed for maritime surveillance. The buoy is battery powered with an impressive battery life of up to 12 months, ensuring long-term and maintenance-free operation. Delivering accurate measurements of environmental parameters such as temperature, oxygen, salinity, turbidity and more, the Guardian is ideal for use on boats, platforms and fish farms. With easy installation and wireless data transmission, Guardian provides reliable insight into marine environments while supporting sustainable and efficient operations.