UpBright NEW Global AC / DC Adapter For Seagate Business Storage 1-Bay NAS Model : SRN01D P/N 1BV5N3-570 1BV5P2-500 4TB 3TB Hard Drive HD HDD Power Supply Cord Cable PS Charger Input: 100 - 240 VAC Worldwide 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.