A highly innovative cartridge in its class with unparalleled applied science, the Canon DR-E6 DC Coupler presents a first-of-its-kind voltage conversion technology for unrivaled quality. This provides a smoother, uniform power transfer, which in turn allows the user to power their camera straight from an AC voltage point while using the coupler with a compatible AC adapter. This guarantees the best posible results when used with Select Canon EOS Cameras. It produces the best possbile results expected from a coupler of its repute.