The standard camera-mount receiver for any "PRO" series receiver, the WR-PRO has two selectable frequencies to choose from (169.445MHz and 170.245MHz). Comes with camera hot-shoe mount, a 3.5mm plug and a built-in antenna.
The standard camera-mount receiver for any “PRO” series transmitter, the WR-PRO is a single channel receiver, but has two selectable operating frequencies to choose from (169.445MHz and 170.245MHz) giving the user an option in case one channel has interference. Comes with camera shoe mount and a 3.5mm mono to stereo microphone output cable.