Guy-Tech 19V-20V AC/DC Adapter Replacement Compatible with ViewSonic VP2785-4K VS16881 27" Frameless IPS 4K UHD Monitor DC19V-20V 19V-20VDC Power Supply Cord Cable PS Wall Home Battery Charger

Input : 100V - 240V 50/60Hz Worldwide Voltage Use Replacement: This Adapter is a Brand New Replacement One, Not Original Over Voltage output Protection, Over Current output Protection. Short Circuit output Protection. High Power exchange efficiency to control working temperature and stable working.