FTDI Basic Program Downloader USB-TTL 3.3 / 5V FT232 For Arduino Features: 1. Standard interface, compatible with a variety of official Arduino controller 2. Original FT232 chip, stable performance 3. With indicator indicates power, sending and receiving, the working status can be seen clearly 4. 3.3V / 5V (Optional) 5. Can be used as an ordinary USB to serial TTL module and download STC microcontroller 6. Size: 4.5 x 1.8 x 0.6cm (L x W x H) 7. Mini USB Cable length: 25cm / 9.8inch Driver download: http: // Direct Download (for x86): http: // Package included: 1 x FTDI Basic Program Downloader USB-TTL 1 x USB2.0 to Mini USB Cable