1. Weight:5g
2. 100% brand new and high quality
3. Support 3.3V, 5V
4. Chipset :FT232RL
5. USB power has over current protection, using 500MA self-restore fuse
6. RXD/TXD transceiver communication indicator
7. Pin definition: DTR,RXD,TX,VCC,CTS,GND
8. Pitch:2.54mm
9. Module size:(L*W) 3.50*1.8cm