... supports E-TTL Function, the zoom range is 24mm - 85mm.c), M mode, you can set flash luminance as per your ... Advanced Application:a), Multi-Flash Lighting Applicationb), Exposure Bracketing ( FEB)c), Use Wide-angle Diffuserd), Rear-curtain Synce), FE Lock ( This ... angle-7~90 degreeHorizontal rotation angle0~270 degreePower4 X AA size Batteries ( Alkaline or Ni-MH are usable)Lighting times100 - 1500 ...