Product attributes and applications: The LX-SG401 switch module is widely used in home network wiring, machinery and equipment, instrument interiors, LED display screens, and other industrial network port expansion applications. It supports network wiring and distance extension. Mini size plug and play: The LX-SG401 provides 4 10/100/1000M adaptive 8D 1.25mm pin ports, supports MDI/MDI-X automatic crossover, requires no configuration, and is ready to use upon connecting power and network cables. Simple, convenient, and cost-effective. Wide voltage, low power design: The LX-SG401 supports 5-12V wide voltage input, offering improved durability compared to standard power supplies. The unit features low-power chips, consuming 200mW under bare metal operation and less than 3W under full industrial load. Color: As shown Material: PC Package Contents: 1 x Mini 4-port Gigabit Switch Module (Note: Due to different product batches, the appearance may vary slightly, which does not affect functionality) Only the listed items are included; other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement tolerance is +/- 1-3 cm.