Canon Speedlite 430EX III-RT Flash Compact body for space efficiency and style Zoom flash head covers a range of 24-105mm; maximum guide number 141ft./43m at ISO 100 Convenient controls include a built-in Catch light Panel to help enhance the subject's facial expression, Dot-matrix LCD and Multi Dial that help provide smooth operation and use Recycling Time: Approx. 0.1 to 3.7 seconds (AA-size Alkaline Batteries)/0.1 to 2 seconds (AA-size Ni-MH batteries)