Supports Serial Speed from 300bps to 460Kbps USB Optical isolation & surge protection Adapter RS-232 Provides 1 RS232 Serial Port over USB Port Built-in 2,500Vrms Optical Isolation Circuits/ Built-in Bi-direction 500w Surge Protection Circuits Supports Win98, Me, XP, VISTA, CE, 2000, 2003, Windows 7 (32/64 bit) Windows 8, Windows 10 and Linux