ITEM NAME:2X(Multi-Function Usb To Serial Rs232 Ttl232 Pro Mini Downloader Sp232 V8W7) 2X(Multi-Function Usb To Serial Rs232 Ttl232 Pro Mini Downloader Sp232 V8W7) 2X(This is a multi-function USB serial converter, available for USB to RS232, USB to TTL232, Pro mini downloader The driver chip is CH340C, and the RS232 bus chip is SP232 industrial grade. Size: 36 x 14 x 12 mm (not including USB interface) Weight: 6 grams color: red Material: metal + pc The following operating systems are supported: Windows 98SE Windows ME Windows 2000 SP4 Windows XP SP2 and above (32 & 64 bit) Windows Server 2003 (32 & 64 bit) Windows Server 2008 / 2008 R2 (32 & 64 bit) Windows Vista (32 & 64 bit) Windows 7 (32 & 64 bit) Windows 8 Windows 8.1 Windows 10 application: RS232 bus device UART TTL level communication, microcontroller ARM AVR PIC STM32, etc. ARDUIUO Pro mini program download PLC MODUBS equipment PTZ camera modem Computer serial communication Package Contents: 1* USB to Serial port Converter)