Description 1. Manual USB sharing. 2. 4 computers share a USB device. 3. It is suitable for many industries, such as securities market, education and so on. Product name:USB device sharer Model:-1A4B Function:4 hosts share a printer or other USB devices, scanners, USB flash drives, etc. Switch mode: panel key switch Note:due to different printing batches, if there is a slight difference in product words, it not affect the use. Color:Black Material:Metal Package Contents: 1 * Share Switch Switcher 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.