GOOD PERFORMANCE-- This adapter features fast communication with data buffer for robust and stabile operation. APPLICATION-- The adapter has replaceable LPT port, it can work with Mach3 software via plugin. It is compatible with win xp, win7, win8 and win10. HIGH EFFICIENCY-- The adapter and cable are made of high quality engineering plastic, durable in use. The working frequency can reach up to 100kHz, good performance and high reliability.