The decoder‑controller can be operated via mobile phone. It comes with a built‑in 4G data‑SIM card and can also be controlled through a mini‑program on a computer.

This 4G decoder controller is a professional automatic control device tailored for sponge city rainwater harvesting and irrigation projects. Equipped with a built-in 4G data SIM card, it supports real-time remote operation via mobile phones and computer mini programs. Featuring two hardware configurations of pure 4G and 4G+WiFi dual communication, it ensures stable signal connection for outdoor open-air scenarios. The controller is natively compatible with DC12V/24V pulse and normally closed solenoid valves for direct driving, while AC solenoid valves require an additional relay conversion module. It is widely applied in outdoor unattended rainwater collection projects with stable performance and simple operation.
Installation and Construction Instructions for PP Modular Water Storage Tanks and Rainwater Harvesting Equipment

This document explains the installation of PP module reservoirs and rainwater harvesting systems. It covers system composition, step-by-step construction, key installation points, and quality control, ensuring safe, stable, and compliant operation for rainwater collection, storage, and reuse.