Wide application: Programming microprocessors such as ARM, AVR, etc Working with computing hardware such as routers and switches Serial communication with many devices such as GPS devices Features: Compatible with Win95/98/98se/ME/2000/XP/win7 32bit 64bit /Vsita/, DO NOT Support Win8 Draw out all signal port of FT232RL chip Pin definition: DTR, RXD, TX, VCC, CTS, GND RXD / TXD transceiver communication indicator Support both 3.3V and 5V With over current protection, using 500mA self-restore fuse Interface: USB C Package included: 2 x USB To TTL serial converter adapter