The new RF-603 II is improved version of RF-603,Improved features:
1. Hot shoe locking system to prevent from slipping off
2. Switch on side for easy operation
3. Enhanced self-detecting system
You can use the flash trigger and remote shutter release function simultaneity.
The image for the transmitter and the receiver are the same, if one is mounted into the camera as transmitter, other one will be set up as receiver
To fire the Flash Speedlite — one receiver can fire one flash speedlite, one set of RF-603 can control 2pcs Flash Speedlite at the same time.
If your have 2sets RF-603 but you lost one receiver for Canon version
you can use the Nikon receiver and Canon transmitter together,if it is compatible with the hot shoe of camera.
Type:FSK 2.4GHz wireless remote system
Release:Half-way press, Full-way Press
Receiver Interface one is 2.5mm Socket, for shutter release,
one is standard PC socket for flash Speedlite or studio Strobe.
Receiver Stand-by time:Up to 45hours (Using AAA battery)
Size:Receiver : 37 x 30 x 81.5mm (W x H x D)
Packaged Included: (No batteries included)
1 x Transmitter
1 x Receiver
1 x 2.5mm port Shutter release cable (N3 version)
1 x Manual in English and Chinese
（note:battery do not include）
1.Works as a wireless shutter release control to trigger your camera;Transceiver System – works as a wireless flash trigger and receiver
2.Compatible with Canon Rebel Nikon:DSLR D7100, D7000, D5100, D5000, D3200, D3100, D600, D90, D5300.,750
3.Fulfill the function of Auto-Focus, Continuous shooting, Long Exposure, Half-Way Pressing, Full-way Pressing and Bulb.
4.Receiver Stand-by time:up to 45hours (using AAA battery)
5.One set of RF-603 can control 2pcs Flash Speedlite at the same time.