5V 3.3V FT232RL USB Module To Serial 232 Adapter Download Cable For Arduino  Feature:  1. With FT232RL chipset、 support 3.3V、 5V 2. With over current protection、 using 500MA self-restore fuse 3. RXD\/TXD transceiver communication indicator 4. Pin definition: DTR、RXD、TX、VCC、CTS、GND  Package included:  1 x USB Module