UpBright NEW Global 12V 3.8A AC / DC Adapter For Security CCTV Camera Switch Converter 12VDC 3.8 A - 4A 12.0V Power Supply Cord Cable Charger Mains PSU w/ OD: 5.5mm Barrel Round Plug Tip 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 12V 3.8A AC / DC Adapter For Security CCTV Camera Switch Converter 12VDC 3.8 A - 4A 12.0V Power Supply Cord Cable Charger Mains PSU w/ OD: 5.5mm Barrel Round Plug Tip