Mamiya Transmiter & Receiver MZ (Flash MZ18R,36R)
Mamiya RZ Trasmitter and Receiver MZ allows remote control photography when receiver is plugged into the shutter release socket of the camera body. It has two remote channels for operating the Mamiya RZ camera with Winder RZ at distances up to 100 feet. The receiver is powered by 6-volt PX-28 battery. Transmitter is powered by two AA 1.5-volt batteries.