Features 1.Original FT232BL Industrial Grade Chip: Using the original FT232BL industrial grade chip, the external for EEPRON(93C46) is more stable 2.3 Power Supply Modes: Support 3 power supply modes of 5V external power supply; 3.3V external power supply; external power supply(requires 3.3V-5V) 3.3 LEDs: FT232 module support for Windows 10, come with 3 LEDs, that is TXD LED, RXD LED, and POWER LED 4.Lead Out By Curved Pins: GND, RXD, TXD, 3V3, 5V is lead out by curved pins, and other functions PIN is reserved pads for CTS, RTS 5.500MA Self Recovery Fuse: USB to TTL adapter come with 500MA self recovery fuse, reverse connection will not burn Specification Item Type: FT232 Module Applications: RS-232 traditional device upgrade to USB USB to RS-232 serial adapter Package List 1 x FT232 Module 1 x Cable