YONGNUO YN 660 WIRELESS MANUAL FLASH SPEEDLITE FOR DSLR IN DELHI

New YONGNUO YN660 flash is upgraded version of yn560iv flash with higher zoom and guide number FEATURES   GN 66m (ISO 100 / 200mm) Flash Mode – M / Multi Manual Flash – 1/128 – 1/1 output control (1/3rd increments) 20 – 200mm Manual Flash Zoom Built-in Radio Master Modes – YN-560 / RF-603 (2.4GHz RF Systems). Built-in Radio Slave Modes – YN-560 / RF-603, and RF-602 (2.4GHz RF Systems). Supports 6 Flash Groups Supports 16 Channels Full Power Recycle – From 3 Seconds S1 & S2 Optic Slave Modes 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     YN660 RADIO MASTER  FUNCTIONS   USING SLAVE FLASH – YN660 / YN560 IV / YN-560 III Remote Flash Power – 1/128 – 1/1 (1/3rd increments) Remote Flash Zoom 20-200mm – (Manual Only) Group Control – 6 Groups   USING RECEIVER – RF-605  Fire the Flash Group Control (?)   USING RECEIVER – RF-603 II / RF-603  Fire the Flash Only     YN660 RADIO SLAVE FUNCTIONS   USING TRANSMITTTER YN560-TX / MASTER FLASH – YN-660 Remote Flash Power – 1/128 – 1/1 (1/3rd increments) Remote Flash Zoom 20-200mm – (Manual Only) Group Control – 6 Groups   USING MASTER FLASH – YN560 IV  Remote Flash Power – 1/128 – 1/1 (1/3rd increments) Remote Flash Zoom 20-200mm – (Manual Only) Group Control – 3 Groups   USING TRANSMITTER – RF-605 Fire the Flash Group Control (?)   USING TRANSMITTER – RF-603 II / RF-603 Fire the Flash Only