The LG 22MK430H-B Monitor Replacement Plug-in AC Adapter is specifically designed for the LG 22BK400H-B monitor, ensuring compatibility and reliability. With an output voltage of 19V and output current of 0.84A, this AC adapter provides the necessary power supply for optimal performance. As an essential component for maintaining your monitor's functionality, this LG AC adapter is a practical and efficient solution for keeping your display powered and ready for use.