This modular flood wall barrier is made of high-strength ABS plastic with UV-resistant coating and precise 5.2mm thickness. Its innovative plug-and-play design allows community residents to operate without professional training. Weighing only 3.8KG per piece and withstanding extreme temperatures from -40° to 95°C, it comes in four sizes 52x70cm/52.5×80cm/80×100cm/75×100cm for flexible combination. A community flood wall can be built within 15 minutes, blocking water up to 50cm high while reducing manpower by 80% and improving emergency response by 200%.