US-159Isolated High Retention USB 1 Port RS232 1 Port Isolated RS-232 USB to Serial Adapter Isolation: Avoid electrical damage to your expensive equipment High Retention USB connector with 50cm USB cable Works where many other USB to Serial devices do not Industrial Specification IP-50 rated -40 °C to +80 °C / -40 °F to +176 °F Lifetime Warranty and Support Ultra small USB to serial adapter suitable for any environmentThe US-159 has 2kV of isolation, protecting from high voltage spikes and ground potential difference. We provide our own software drivers - eliminating many common problems with USB to Serial - giving you a reliable, stable, native com port solution.