ITEM NAME:3.3V 5.5V FT232RL FTDI USB to TTL Serial Adapter Module for Mini Port 100% brand new and high quality Support 3.3V, 5V Chipset FT232RL USB power has over current protection, using 500MA self-restore fuse RXD/TXD transceiver communication indicator Pin definition: DTR,RXD,TX,VCC,CTS,GND Pitch:2.54mm Module size:(L*W) 3.60*1.85cm /1.42" * 0.73" Quantity:1pc 1Pc x FT232RL 3.3V 5.5V FTDI USB to TTL Serial Adapter Module for Mini Port.1Pc x FT232RL 3.3V 5.5V FTDI USB to TTL Serial Adapter Module for Mini Port. Support 3.3V, 5V. RXD/TXD transceiver communication indicator. Module size:(L W) 3.60 1.85cm /1.42" 0.73".