RF-603 is equipped with the Auto-Sensing Transceiver Technology that enables it to change automatically between Transmitter and Receiver modes. When a hot-shoe or other trigger is detected, it automatically switches to Transmitter mode. With Auto Relay Mode you can trigger a remote camera in sync with remote flash. Remote trigger the camera shutter and flash at the same time by one RF-603 kit.

Flash synchronizing speed: up to 1/320s (depends on camera / flash model
2.4GHz band/16 selectable operating frequencies for eliminating interference
Shutter Release: half-way Focus and full-way press Shutter
Shutter Interface: 2.5mm socket
Studio light interface: standard PC socket
Battery: 2X AAA batteries (Not included in the package)
Stand-by time: up to 45 hours (AAA battery)
Size: 37mmx30mmx81.5mm


2 X Transreceivers
Fitting For:
| C1 For Canon | 1000D/500D/450D/400D/350D/300D PENTAX: K20D/K200D/K10D/K100D SAMSUNG: GX-20/GX-10 etc. |
| C3 For Canon | 1D/1DS,EOS5D/5D2/50D/40D/30D/20D/10D etc. |
| N1 For Nikon | D3X/D3/D700/D300/D2X/D2H/D200/D1H/D1X etc. |
| N2 For Nikon | D80/D70S |
| N3 For Nikon | D90/D5000 |




