List of Godox SK300 II Studio Flash Kits SK300II Specs: Godox SK300 II Flash Strobe * 2 Stand 2m * 2 Godox Softbox 60x90 cm * 2 Trigger * 1 Studio Bag Flash Head Guide Number 190' / 58 m at ISO100, Maximum Power 300 Ws Duration of Flash: 1/2000 to 1/800 seconds Recycle Duration: 0.1–1 Second 5600K ± 200K Color Temperature Flash-Ready Visual Reflector and Audio Indicator Adaptable Accessory Modeling Light Type: Tungsten; Fitting Type: Bowens S; Wattage: 150 W; Control Modes: Cable, Optical, Radio, Free Set, Off, Proportional Sync Sync Type Button Indeed, a built-in wireless receiver Wireless Channels 2.4 GHz Wireless Frequency Bands 32 Groups of Wireless 16 LCD Fan Cooled General Display No Dimensions Including handle, H: 20.6 x W: 12.7 x L: 13.4 cm