Yongnuo YN660 2.4G 66GN Flash Speedlite Hot Shoe for Nikon Canon Pentax Olympus Panasonic

Condition: New

The YN660 is built upon the previous YN560 IV, now providing 6 groups in the Radio Master mode, up from just 3 previously, as well as boosting power output to a Guide Number of 66 meters (ISO 100, 199mm), Other improvements include 24-199mm flash head zoom, lever locking foot, and updated buttons / main control dial.
It supports Yongnuo’s full 2.4GHz manual flash control system. YN660 can act as a wireless master flash for the previous-generation Yongnuo YN560 III and YN560 IV flashes, and as a slave (with remote adjustment) to the YN560-IV YN660 and Yongnuo YN560-TX RF-603 II RF-605 RF-602. Crucially, you are able to control up to six groups of flashes

Features
--- GN66 (ISO 100 / 199mm)
--- Flash Mode – Manual / Multi
--- Manual Flash – 1/128 – 1/1 output control (1/3rd increments)
--- 24 – 199mm Manual Flash Zoom

--- Trigger Mode:
a, TX Master Flash Mode – it supports YN660 YN560 IV YN560 III
b, RX Slave Modes – in this mode, it supports receiving 2.4GHz wireles trigger signal of YN660 YN560 IV YN560-TX RF-605 RF-603 II
c, S1 & S2 Optic Slave Modes
--- Supports 6 Flash Groups
--- Supports 16 Channels
--- Full Power Recycle – From 3 Seconds
--- Custom Functions
--- Auto Save Settings
--- Sound Prompt
--- Heat Protection
--- Large LCD Screen
--- 360 Degree Swivel and Tilt Head
--- Fast Clamping Metal Foot
--- External HV Battery Port
--- PC Sync Port

Specifications :
Curcuit design
Insulated Gate Bipolar Transistor ( IGBT )
Guide NO
66 ( ISO 100, 199MM )
Flash Mode
M / Multi
Trigger Mode
Camera Set-top, TX, RX S1 S2
Zoom Range
20 24 28 35 50 70 80 105 135 199mm
Vertical rotation angle
70-90 degress
Horizontal rotation angle
0-360 degress
Power supply
4*AA size batteries ( Alkaline or Ni-MH battery )
Lighting Times
100-1500 TIMES ( AA alkaline cell used )
Recycle time
Approx 3s ( AA alkaline cell used )
Color Temperature
5600k
Flash Time
1/200s - 1/20000s
Flash Control
8 levels of output control ( 1/128 1/1),29 levels of fine tuning
External Interface
External power interface, PC port, hot shoe
Wireless Trigger distance
20-25m indoor, 10-15m outdoor 2.4Gradio transmission distance will up to 100m

Suit for:
--- ALL Canon Nikon Pentax Olympus Panasonic DSLR Camera with Standard Hot shoe
--- Yongnuo RF-605, RF-603 I/II, RF-602, YN622C, YN622C II, YN622N, YN622N II, YN560-TX
--- Yongnuo YN-560 III, Yongnuo YN-560 IV, YN660

Package Included:
1 * Yongnuo YN660
1 * Flash Diffuser Cover
1 * Mini Stand
1 * Manual in English and Chinese
1 * Original box