The newest model wireless triggers from Yongnuo for Nikon users. These transceivers work both ways, as transmitters and receivers, detecting whether they are mounted on a camera hotshoe to act as a transmitter, or receivers when under a flash/speedlite, or when connected to a studio flash.

Functions:
- Functions as a flash trigger, but can also be used as a wireless remote shutter release.
- Designed for Nikon Series D90 D3100 D7000 D5000.
- 2.4Ghz frequency (as with older model trigger RF-602) Tested over 130 meters with no misfires.
- 16 channels.
- Auto Relay Mode enables you to trigger a remote camera in sync with remote flash.
- Simultaneous, remote shutter and flash trigger, simply mount RF603 on camera hot-shoe, then mount flash onto the RF-603. Pass-through signal from camera will trigger the mounted flash instantly when shutter is triggered.
- Offers manual sync up to 1/250 sec. (depends on camera model).
- They do not support TTL mode. The dedicated shoe pins are only to “wake-up” (with a half-press) remote flashes that have entered power-save mode.
- 2x AAA batteries needed. (Not included)
- The RF-603 should not be connected to a flash with a trigger voltage above 12 volts.
- The Nikon and Canon versions are compatible, so a RF-603 Nikon transceiver mounted on a Nikon camera will communicate fine with a RF-603 Canon transceiver hooked up to a Canon flash unit.
- RF-603 units are NOT compatible with the older RF-602 units
- Both transceivers have a PC sync.
- Both have a mini jack terminal to wake up and trigger the camera.
- With an optional studio cable, RF-603 can be used as a studio trigger unit as well.

Specifications:
* Shutter Release: half-way Focus and full-way press Shutter, B mode
* Shutter Interface: 2.5mm socket
* Studio light interface: standard PC socket
* Battery: 2 x AAA batteries per transceiver (Not included in the package)
* Stand-by time: up to 45 hours (AAA battery)
* Size: 37mm x 30mm x 81.5mm

Includes:
•* 2 x Yongnuo RF-603N Flash Trigger Transceiver & Camera Shutter Remote Release (N3 for Nikon D90 D3100 D7000 D5000 Digital Camera)
•* 1 x Yongnuo N3 Cable
•* Instruction Manual (English + Chinese Language)

Compatible with:
• Nikon: D90 D3100 D7000 D5000