The Canon ACK-E10 AC Adapter Kit for EOS Rebel T3 allows you to power your Canon Rebel T3 from a wall source. The kit includes a DC coupler to attach to the camera"s battery port, an AC adapter to convert the power, and an AC cord to plug into the wall. AC power is useful for lengthy studio shoots and for offloading photos while you"re charging the T3"s battery. The adapter is 100-240V 50/60Hz AC compatible, but you will need to buy the correct plug adapter.