Linsn EX903 Multi Function LED Card adjust the brightness automatically

EX903 with Optical Fiber Connection (SFP module: single-mode 20km multi-mode 500m)

1.Integrated audio signal transmission, no external audio amplifier line, direct access function card;
2.256 grade automatic brightness adjustment;
3.Monitoring led screen temperature and humidity in Real-time ;
4.Displaying the current temperature and humidity on led screen;
5.Smoke detection,(need to install the smoke probe);
6.Power On/Off the power of led screen remotely;
7.Control the led screen's fan and air-conditioning switcher automatically through the temperature.