Nikon WT-7 Wireless Transmitter Utility 1.9.6 Nov 7, 2021
... Z 7, Z 7II, Z 6, Z 6II, D850, D810, D810A, D780, D750, D500 and D7200 cameras) - WT-6 wireless transmitters (compatible with D6 and D5 cameras) - WT-5 wireless transmitters (compatible with D5, D4S and D4 cameras) - WT-4 wireless transmitters (compatible with D4S, D4, D3X, D3S, D3, D800, ...