Professional studio light kit – Heavy Duty Can be used for pack shots or schools Power output: 300WS (guide No. 56) Output range: Full to 1/16 step less Plug-in flash tube and cooling fan Low 5V trigger voltage Built in slave sensor (Pre-flash compatible) Auto power dump Overvoltage/overheating protection 2 Year warranty Kit includes: 3 x VC-300 Flash heads plus 2 reflectors 3 x Air cushioned light stands 2 x 80cm Umbrellas 1 x 60cm x 90cm Soft Box 1 x Kit Bag.