Guide number : 46 ft, 14m ISO100 (full power)
Power source : 4 "AA" type Ni-MH, NiCd or Alkaline batteries
Angle of coverage : Vertical / Horizontal 80 degrees
Dimensions (Controller) : 73.0 x 5.4 x 3.2 in. / 6.7 x 136.2 x 82.4mm
Dimensions (Flash unit) : 5.0 x 5.1 x 1.2 in. / 126.6 x 128.8 x 30.5mm
Compatible cameras : Sigma-STTL, Canon-ETTL/ETTL II, Nikon-iTTL, Minolta-ADI, Pentax A-PTTL
Weight : 430 g /15.2 oz. (without batteries)