Urgent Announcement EETI, today, announces few unworthy manufacturers sell touch controllers which are intellectual property damage involved. There are two ways to identify controllers from EETI or not. A. Controller has loss of touch accuracy after a period of work. B. Controller will not report data anymore after installation of upgrading driver. EETI displays some photos of controllers of patent infringement as follow. In order to guarantee the work performance and quality of controller, please purchase controllers from authorized distributors of EETI worldwide (EETI distributors list) or contact EETI directly through touch_sales@eeti.com for more information.