Yongnuo YN560 IV Flash Speedlite 2.4GHz Radio for Canon Nikon Pentax Olympus

• The YN560 IV can be used as a master unit, offers 3 independent groups with control ability to realize, remote control of the flash mode, flash power and focal length of the YN560 IV and YN560 III.
• Support wireless slave function, fully support YN560-TX, RF-603(I/II), RF-602 radio transmitter.
• The YN560 IV can be triggered by the set of the top of the camera, 2.4G wireless triggering, S1 and S2 before flash shutdown mode.
• Automatically save settings, supports custom settings (Fn).
• The light angle can be changed between 24 ~ 105 mm by the [Zoom] button.

Yongnuo Speedlite YN560 2.4GHz IV supports wireless master function, wireless slave function, and fully supports YN560-TX, RF-603 (I / II), RF-602 radio transmitter. High guide number 2.4G wireless speedlite supports M / multi / - mode. Ultra-fast charging recycle system supports external power supply. Technical data: Circuit design: Insulated Gate Bipolar Transistor (IGBT) Guide no. : 58 (ISO 100, 105 mm). Flash mode: M, Multi Trigger mode: camera set-up, TX, RX, S1, S2. Zoom range: 24, 28, 35, 50, 70, 80, 105 mm Vertical rotation angle: -7 ~ 90 degrees. Horizontal rotation angle: 0 ~ 270 degrees. Power supply: 4 x AA batteries (not included). Lighting time: 100 ~ 1500 times (AA-alkaline cell used). Recycle time: approx. 3s (AA alkaline cell used). Colour temperature: 5600 K. Flash time: 1/200s ~ 1/20000S. Flash control: 8 levels of output control (1/128~1/1), 29 levels of fine tuning External interface: hot shoe, PC port and external charging port Wireless trigger distance: 20 ~ 25 m indoor, 10 ~ 15 m outdoors, 100 m (2.4G wireless). The electronic flash head zoom, sound prompt PC prot, energy saving mode, overheating protection and automatic settings save. Item size: 20 x 7 x 5.5 cm / 7.9 x 3.0 x 2.2 inches. Item weight: 366 g / 12.9 ounces. Package size: 21 x 10 x 8.5 cm / 8.3 x 3.9 x 3.3 inches. Package weight: 541 g / 1.19 lbs. Package includes: 1 x Speedlite. 1 x mini stand. 1 x protective bag. 1 x 580EX diffuser. 1 x user manual (Chinese and English)