Nikon only RFN-4S Wireless Shutter Release in perfect condition.

RFN-4s Wireless Remote Shutter Release for Nikon DSLR with MC30 Type Connection (Nikon D200, D300, D300s, D500, D700, D800, D800E, D810, D1, D2, D3, D3x, D3s, D4, D5) - Transmitter and Receiver Set