Canon Speedlite 580EX II, 0.1 s, 13.2 oz (375 g) Canon Speedlite 580EX II. Product color: Black, Approximate recycling time: 0.1 s, Shooting distance: 30 m. Battery type: AA. Weight: 13.2 oz (375 g), Dimensions (WxDxH): 2.99 x 4.49 x 5.28" (76 x 114 x 134 mm)