Adopt imported controller PL2303HX,which can stabilize the flash with high speed 500mA self recovery fuse for protection Two data transmission indicator can monitor data transfer status in real time Reserve 3.3V and 5V pin interface,easy for the DDWRT of different voltage system that need power The entire board is coated by high quality transparent heat-shrinkable sleeve,making the PCB in insulation state from outside, so that the board won’t burnt down by material short cut. Electrostatic package,insures the board will not be damaged before use Support WIN7 system