This wireless transmitter from Nikon is an essential accessory for any photographer or videographer. It allows you to easily transfer data from your camera or camcorder to a remote device without any cables or cords getting in the way. With a range of up to 100 metres, you can be free to move around without any restrictions. The Nikon WT-4 is compatible with all Nikon cameras and camcorders, including the D2X, D4, D4S, Agfa Optima-Rapid 150, and more. It features a snap-on mount type and fits screens up to 2.0 inches. The unit is made of durable plastic and comes with a 1-year manufacturer warranty. The cable length is 0.1 metre, and the unit supports both wireless and wired LAN connections.