Lite-on PA-1041-71 40W Replacement AC adapter for HP 2211x, 2211f, x2301, 2311X, 2311F 23 inch LED Monitor. 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 [UL Listed] Lite-on PA-1041-71 40W Replacement AC adapter for HP 2211x, 2211f, x2301, 2311X, 2311F 23 inch LED Monitor Power Supply Cord Charger PSU