SENTINEL

Electronic advertisement and messaging display unit with multi-networking (TCP/IP) capabilities and remote connectivity; computer-controlled electronic advertisement boards featuring light emitting diodes (LEDs); light emitting diode (LED) displays; LCD panels; electronic transit information signs; monochromatic or chromatic light emitting diode (LED) displays; light emitting diode (LED) electronic scoreboard; variable information light emitting diode (LED) displays used for road; passenger light emitting diode (LED) information displays onboard track vehicles; station, airport, and flight information light emitting diode (LED) displays; high quality LCD screen wall panels