Guide No.: 46' (14 m)

Number of Flashes: 2

Max Usable Diameter Size: 77mm

Modeling Light: Yes

Angle of Coverage: 80° (vertical/horizontal)

Auto f/Stops: No

Vari-Power: Yes; Full, 1/2, 1/4, 1/8, 1/16, 1/32 & 1/64

TTL Dedication: Yes; E-TTL II

Recycle Time: 6 seconds with alkaline batteries, 4 seconds with NiMH batteries

Power Source: 4 AA batteries

Dimensions: Controller: 5.4 x 3.2 x 6.7" (73 x 136 x 82.5mm) Light unit: 5 x 5.1 x 1.2" (127 x 129 x 30.5mm)

Weight: 15.1 oz (430 g) [without batteries]