ITEM NAME:5V / 3.3V FTDI FT232RL USB to TTL Serial Converter Adapter Module For Arduin Gw Description: 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) 3.50*1.8cm Quantity:1pcs Package includes: 1Pc x  FT232RL 3.3V 5.5V FTDI USB to TTL Serial Adapter Module for Arduino Mini Port.1Pc x FT232RL 3.3V 5.5V FTDI USB to TTL Serial Adapter Module for Arduino Mini Port. Support 3.3V, 5V. RXD/TXD transceiver communication indicator. Module size:(L W) 3.50 1.8cm.