This AC Adapter CA-PS700from Canonworks with various DC couplers to provide a 100-240V 50/60Hz AC power supply source for use worldwide with select Canon cameras. The AC adapter powers your camera for an extended period of time. A 5.9′ DC cord comes attached to the adapter, and a 6.6′ power cord is included. In order to use this with your camera an optional DC coupler is required.