The MOS-AV204A is an economy 20x4 intelligent Serial VFD display. Engineered to quickly and easily add a powerful HMI to any application. VFD Displays offer exception performance in extreme temperatures, keeping their quick response times, high (170 degree) viewing angle and long life. Our Intelligent Character Serial VFD displays provides you with a cost-effective industrial HMI user interface solution for that great product/project you are developing. This Serial VFD displays features optional on-board medium digits, bar graphs and 3 GPOs will allow fast development for any application.