FeaturesOfficial power supply from the Pi FoundationInterchangeable heads for different countries (EU, UK, US, AUS)Short circuit, over current and over voltage protectionSpecificationsInput Voltage: AC 100-240V (50/60Hz)Input Current: 0.5A (Max)Output Voltage: DC 5.1VOutput Current: 2.5ACable Length: 1.5mOutput Connector: Micro USBEnergy Efficiency Level: ErP Level 6MTBF: 50000h