SmartScreens for Mach 3 is NOT another screen set. It provides intelligence to the interface, and expanded functionality, much more than can be describes in a few sentences or pictures. Its free for 60 days. Then you can buy the Industrial Edition for just $25 till March 2018.

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Free 60 Day Trial, SmartScreen for Mach3 Industrial Edition

Hobby for Mach3 Plus Edition

SmartScreen for Mach3 Hobby Plus Edition

SmartScreen for Mach3 Industrial Edition
   Get the best for just $25 till March 2018

We do not sell hardware, but we have provided the link below for the best place to buy the compatible devices. When you see how well the Smart Wi-Fi and Expansion Relays work, and they are already seamlessly integrated into Mach3 by our SmartScreen Utilities.

SmartSreens for Mach3 integrates the control of simple to add Expansion Relays and Smart Wi-Fi Devices which can be controlled by SmartScreens through Mach3 via buttons on the screen, and MCodes in the GCode.
  ©Mach3, is a product of ©Newfangled Solutions.