GEP&reg; AC Adapter for Samsung 20" LED Monitor S20B350H, 21.5" LED Monitor S22A300B, S22B310B, 23" LED Monitor S23B550V, S23B300, 24" LED S24C230L. World Wide Input Voltage 100-240VAC 50/60Hz.OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) Tested Units. In Great Working Condition.UpBright 30 days money back guarantee. 1 full year service warranty. UpBright New Global AC / DC Adapter For Samsung 20" LED Monitor S20B350H, 21.5" LED Monitor S22A300B, S22B310B, 23" LED Monitor S23B550V, S23B300, 24" LED S24C230L. Power Supply Cord Cable PS Battery Charger Mains PSU