Power Supply AC 100 to 240 VAC (+/- 10%), 60 / 50Hz ± 3HzRefer to the label at the back of the product as the standard voltage can vary in different countries.EnvironmentalconsiderationsOperating Temperature : 0 C ~ 40 C (32 F ~ 104 F)Humidity : 10 % ~ 80 %, non-condensingStorage Temperature : -20 C ~ 45 C (-4 F ~ 113 F)Humidity : 5 % ~ 95 %, non-condensing― Plug-and-PlayThis monitor can be installed and used with any Plug-and-Play compatible systems. Two-way data exchange between the monitor and PC system optimizes the monitorsettings.Monitor installation takes place automatically. However, you can customize the installation settings if desired.― Due to the nature of the manufacturing of this product, approximately 1 pixel per million (1ppm) may appear brighter or darker on the panel. This does not affectproduct performance.― This device is a Class A digital apparatus.