ITEM NAME:CP2102 Module STC Download Cable USB to TTL 5PIN Serial Converter with Cable Description: Stable and reliable chipset CP2102. Designed to be used for USB to TTL electronic projects. TTL interface output, easy to connect to your MCU. Dual 3.3V and 5V Power output, work with 3.3v and 5v target device. Compact design Package included: 1 Piece USB to TTL UART Module, 1 Piece Cable Specification: Size: 13x11x2mm/0.51x0.43x0.09inch Temperature Range: -40 to +85. Supports Windows 98SE, 2000, XP, Vista, Window7,ect. Package Includes: 1 Piece USB to TTL UART Module 1 Piece Cable Note: Please allow slight dimension difference due to different manual measurement. Due to the light and screen difference, the item's colour may be slightly different from the pictures. Please understand..Designed to be used for USB to TTL electronic projects. TTL interface output, easy to connect to your MCU. 1 Piece USB to TTL UART Module. 1 Piece Cable. Due to the light and screen difference, the item's colour may be slightly different from the pictures.