This LCD, was made specifically for the EGS002 driver board it can tell you the voltage and the current the Hz of the wave and the Temperature, it is only compatible with the EGS002 driver board and LCD cable must use shielded cable, otherwise. Inverter, high-voltage high-current environment will seriously interfere with the operation of the drive plate

Datasheet for LCD for Signal Generator Pure Sine Wave Inverter Ir2110" Driver Module :Click Here

this video, not in English but it has a translation: