Features:1.VCC, TX, can all be switched to 5V/3.3/2.5V/1.8V2. The DC5.5-2.1 interface can high current to external devices3. All four UARTs have TX/ indicator to show the status4. The four serial ports use XH2.54 interfaceThe excellent performance of FT4232HL is very suitable for high-demand industrial occasions. It realizes simultaneous communication with a single UsB expansion 4 UART serial ports, of each other, without influence, the computer displays 4 COM ports, and provides a maximum communication rate of 12MbpsMaterial: PC+MetalColor as shownPackage Contents:1 x USB to 4 Way TTL ModuleOnly 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.