Guide number of 60
W 78.1mm X H 139.5mm X D 104.6mm (3 1/8inches × 5 1/2inches × 4 1/8inches)
Cycle time (Approx.) More than 150 times (Alkaline battery) / More than 220 times (Ni-MH battery)
Auto electronic flash (clip-on type) with pre-flash metering
Wireless control function.Radio: 5 group, 14ch, Optical: 3 group, 4ch
60 (Flash coverage setting 200mm/STD flash distribution,ISO100・m)
Dimensions (W x H x D): Approx. 78.1 x 139.5 x 104.6 mm (3 1/8 × 5 1/2 × 4 1/8 in.)
Yes
Weight: Approx. 449g (15.9 oz.) (excluding batteries)
Yes (commander/receiver)