wr-b100 wireless remote control for nikon d700 d300 d300s d200 d3 d2h d2hs d2x d1 d1h d1x f100 f6 f5 f90x and f90 fully compatible with nikon mc-30
wireless rf radio frequency remote control features maximum operating range 100m . compared to an infrared ir remote control it allows you to operate the shutter from either direction angle . it supports unique coding for anti-interference and avoiding wrong operation . 3 operations modes at w mode the receiver is active you can use the transmitter to control the shutter or focus . at o mode the receiver will be a normal remote switch and it will not consume any power . at l mode the receiver will lock the shutter for long exposure .