Description: Portable design, perfect workmanship and careful layout, and with three-color LED indicators. Fully compatible with all windows systems, including Win CE, Linux, X86 and X64. On-board 500mA self-protection fuse protects your USB port by automatically disconnecting when the current exceeds 500mA. The TLL level is compatible with the 3.3V/5V level standard. Any level system can communicate reliably. It comes with 5V and 3.3V power outputs and can supply power to the microcontroller system. Specification: The DTR/RST output interface is reserved. The level of these two pins can be controlled through the serial port operation. When certain microcontrollers download programs, they can be automatically reset, such as Arduino and MSP430 downloading programs. MaterialPUC Panel Sizeapprox. 55x20x5mm/2.17x0.79x0.20inch(Chip size) Cable Lengthapprox. 20cm/7.87inch Package Includes: 1 Piece USB to Serial Port Module 1 Piece Male Cable for Dupont