Gowoops 5V 2.5A Power Supply Switching Adapter Wall Charger for Raspberry Pi 3 2 Model B, Micro USB Cable with On Off Switch LED Indicator Light and Heat Sinks (UL Listed) LED Indicator Light: Convenient to know the on-off state of the power ON/OFF Switch: No need to pull off the adapter to restart or reboot your PI, convenient to turn your Pi on and off Removable Micro USB Cable: You can still use the adapter with a replacement cable if unfortunately the cable breaks Heat Sinks: There are two sticky heat sinks in the bag, made of aluminum & copper, which is very convenient for cooling your raspberry pi Input: AC 100-240V/ 50-60Hz; Output: DC 5V/2500mA, Enough power supply for your raspberry pi 2 3 and your USB device