Acer H274HL - Manual (Page 19)

EN-18
Product information
Information
1920 x 1080
H: 67KHz V: 60Hz
VGA Input
S/N:ETL53091326350380B3742
1 Press the MENU key to bring up the OSD.
2 Using the / keys, select Information from the OSD. Then the
basic information of LCD monitor will show up for current input.