A:
Average no. of flashes is 200 to 1,400 with AA-size Alkaline Batteries manufactured within the last three months or AA-size Ni-MH fully-charged batteries
In addition, here are the features of Speedlite 430EX II Flash Light:
Superior build quality, including a metal foot for added strength
Approx. 20% faster recycling time, compared to previous 430EX
One-touch, quick-lock mechanism for easy attaching/detaching flash from camera
Full flash control possible on camera menu, with compatible EOS Digital SLR cameras
Virtually silent flash recycle
The flash head can be moved up from 0 - 90° (5 settings), left from 0 - 180° (7 settings) and right from 0 - 90° (4 settings)
Zoom flash head covers range of 24-105mm; maximum guide number 141 ft./43m at ISO 100
Answered on 9/1/2009 by Louh from East Philly