Gate Automation System Solar Powered Battery Powered Auto Electric Motor Wifi DC Swing Gate Opener SW300DC The SN-SW300DC gate opener is designed for residential courtyard swing gate applications, supporting gate leaf weight up to 300 kg and width up to 2.5m. Features include DC motor operation, compact structure, smooth performance, and low noise operation. Key Features Soft start slow stop, automatic close, obstacle detection by automatic reversing Interface for GSM,