UpBright NEW AC / DC Adapter For 3G Technology GEM GM-171B GM-170B 17" LCD Monitor Power Supply Cord Cable PS Charger Input: 100 - 240 VAC 50/60Hz Worldwide Voltage Use Mains PSU 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.