This detachable motor drive, designed for the Minolta X-700, X-570 and X-370, provides photographers with motorized film advance up to 3.5 fps. It couples directly to the camera without the need to remove or store cover caps. Functionally designed, the Motor Drive 1 incorporates dual shutter release buttons fo comfortable vertical or horizontal shooting. Both releases utilize Minolta's exclusive energy-saving touch switch which activates the metering system. A locking frame rate selector dial can be set for single, 2 fps or 3.5 fps firing rates. Uses 8-AA batteries.