<p>Using FT232RNL chip solution, high-speed communication is stable, reliable and has good compatibility</p> <p>Onboard (transient voltage suppressor), which can effectively suppress surge voltages and transient voltages in the circuit, and protect against- and static electricity</p> <p>On-board self-restoring fuses and protection diodes stable current and voltage output, prevent overcurrent and overvoltage, and improve impact resistance.</p> <p>Onboard RS232\/485 communication switching circuit, users can switch the communication type by toggle switch</p> <p>Built-in RS485 output terminal 120R resistor, which can be enabled by toggle switch for flexible switching</p> <p>There is an external LED indicator light for easy viewing of power supply and signal transceiver status.</p> <p>Using ABS environmentally friendly shell, small size, portable and easy to use, high cost performance</p> <p>Due to different batches, the appearance, color and printed words of the product , which will not affect the use.</p> <p>Colour:Black</p> <p>Material:Plastic</p> <p>Package Contents:</p> <p>1 * USB to RS232\/485 converter</p> <p>1 * USB </p> <p>1 * screwdriver</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>