• Brand & Model: YONGNUO RF-603N
• Camera models supported: Nikon D1H， D1X， D2H， D2X， D3， D3X， D200， D300 and D700
• FSK 2.4GHz wireless flash trigger (installed on the transmitter)
• Functions as a receiver and transmitter
• FSK 2.4GHz wireless receiver up to 100 meters
• Supports flash wakeup and flash trigger sync
• Up to 1/320s sync speed when used with Canon or Nikon professional flashes
• Transmitting distance: 100 m
• Channel quantity: 16
• Shutter release: Full press， half press
• Shutter port: 2.5 mm
• Studio lamp prot: PC port
• Battery type: 2 x AAA battery
• Standby time: 45 h or above
• Dimensions: 37 x 30 x 81 mm