Canon Speedlite 600EX, 0.1 s, Wireless connection, 15 oz (425 g), Slave flash
Canon Speedlite 600EX. Type: Slave flash, Product color: Black, Approximate recycling time: 0.1 s. Power supply type: CP-E4, Battery type: AA. Weight: 15 oz (425 g), Width: 3.14" (79.7 mm), Depth: 4.94" (125.4 mm)