Product attributes and applications: LX-SG401 switch module is widely used in network home wiring, machinery and equipment, instrument interior, LED display screen and other security industrial network port expansion, etc., network wiring and wiring distance extension. Mini size plug and play: LX-SG401 provides 4 10/100/1000M adaptive 8D 1.25mm pin ports, supports MDI/MDI-X port automatic flip, no configuration required, plug in power and network to use, simple and convenient, cost-effective. Wide voltage, low power design: LX-SG401 supports wide voltage 5-12V input, which is more durable than ordinary power supply. The whole machine uses low-power chips, bare metal working 200mw, full load industrial use less than 3w Colour:As Shown Material:PC Package Contents: 1 x Mini 4-port Gigabit Switch Module(Due to different product batches, the appearance may vary, which does not affect the use) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.