6 inch touch screen monitor.2.Troubleshooting: It should respond within 1 hour after receiving the buyer's failure notification, arrive at the fault site within 4 hours, and resolve it within one working day after arriving at the site.

6 inch touch screen monitor.2.Troubleshooting: It should respond within 1 hour after receiving the buyer's failure notification, arrive at the fault site within 4 hours, and resolve it within one working day after arriving at the site. IQTouch K interactive touch screen feature 20-point touch and dual system -- Android 8.0 system and optional OPS Windows 10Pro system. Its 4K UHD resolution facilitates presentations and collaboration. With optional multi-screen casting software, IQClass 6.0 and installation-free IQClass Plus software, IQTouch K Series can help create an interactive and collaborative teaching atmosphere in class.