Lenovo E27q-20 27" 1440p Monitor - Manual (Page 25)

Communications VESA DDC/CI
Supported Display
Modes
Horizontal frequency 30 kHz – 114 kHz
Vertical frequency 48 Hz – 75 Hz
Native Resolution 2560 x 1440 at 60 Hz
Temperature Operating 0° to 40°C (32°F to 104° F)
Storage -20° to 60°C (-4°F to 140° F)
Shipping -20° to 60°C (-4° F to 140° F)
Humidity Operating 10% to 80% non-condensing
Storage 5% to 95% non-condensing
Shipping 5% to 95% non-condensing
2-7 E27q-20 Flat Panel Monitor User’s Guide