Merlin RT-04R-16C/NP Shutter Release Receiver (Nikon Pro)
RF romete digital camera shutter release receiver (Nikon 10 pin plug)
This is a receiver of product RT-04K-16C, a digital camera shutter release controlled by radio frequency. The operation range is 25 meters. To turn on unit, press orange button and hold for 1 second until the LED is brinking, means on. To turn off, do the same until the LED is off.