20Pcs PL2303 USB to TTL USB to Serial Port PL2303 Module Brush Line 4PIN DuPont Cable

Feature Type USB to TTL cableBuilt in PL2303 chip support Windows XP 7 8 8 1 10Interface specifications USB type A male port 4pin 2 54mm interfaceInterface definition red VCC black GND green TXD connect to external device RXD white RXD connect to external device TXD Interface characteristics 3 3V TTL levelLength 1MPackage includes 20 x USB to TTL 4PIN Dupont cable with chip