<p>Indicator light: PWR: Power indicator light, connected to USB, lights up when voltage is detected</p> <p>TXD: Transmit indicator light, lights up when data is sent from the USB port</p> <p>RXD: Receive indicator light, lights up when data is sent back from the device interface</p> <p>Product type: Industrial grade USB to TTL serial port cable</p> <p>Chip solution: FT232RNL</p> <p>Host interface: USB</p> <p>Communication rate: 300bps~3Mbps</p> <p>Device interface: UART</p> <p>USB interface: </p> <p>Interface form: USB-A type interface</p> <p>Interface protection: resettable fuse, ESD electrostatic protection</p> <p>UART interface: </p> <p>Interface form: </p> <p>4PIN cable loose ends</p> <p>SH103PIN fool-proof serial port interface</p> <p>Interface protection: IO protection diode circuit</p> <p>Due to different batches, the appearance, color and printed words of the product , which will not affect the use.</p> <p>Material: plastic</p> <p>colour: Black</p> <p>Package Contents: </p> <p>1 x Serial Module Cable</p> <p>Only the above package content, other products are not included.</p> <p>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.</p>