Amazon.com: PK Power AC/DC Adapter for Acer S277HK wmidpp 27 4K HD LED LCD Monitor Power Supply Cord Cable PS Charger Input: 100-240 VAC 50/60Hz Worldwide Voltage Use Mains PSU : Electronics
Amazon.com: Customer reviews: Acer S277HK wmidpp 27-inch 4K Ultra HD (3840 x 2160) Widescreen Display