OVIEW HABs Tester is a portable lab device that pairs a microscope with AI-powered smartphone technology for swift, onsite analysis of harmful algal blooms (HABs). Users simply insert a water sample and use any smartphone camera to capture live video, which the device instantly analyzes to identify and quantify algae concentrations. The integrated app allows for real-time central monitoring, providing a rapid, accessible tool for tracking water quality and predicting pollution. OVIEW HABs Tester empowers timely environmental interventions, making it an indispensable solution for safeguarding water resources.