Rf603 ii, the manual flash trigger and shutter release ( you can use those two functions simultaneity ), it adopts a global free fsk 2.4ghz wireless channel which can be suitable in many countries. rf-603 ii with fsk system, can be more effective to speed, distance and stability. within capacious areas, the remote control distance may reach to 100m.
compatible with:
for canon 1000d 450d 400d 350d 300d 450d 400d 550d 500d 650d 600d 750d 700d 1200d 1100d 1200d 1300d 60d 70d 80d 500d
for pentax k20d/k200d/k10d/k100d,ti5 ti6
for samsung gx-20/gx-10