This is high stability 15W@ 5VDC, 3A Wall Power Supply, with the USB Type-C port it suits the new Raspberry Pi 4 well. In addition to cost-effective, manufacturers have done multiple protections such as over-current protection and short-circuit protection to ensure that it is safe and reliable, it also has FCC certification. Features US standard power adapter Rated input voltage: 100Vac to 240Vac Input voltage: 90Vac to 264Vac Output regulation: 4.75Vdc to 5.35Vdc Output load: 0A to 3A