The Interfit Stellar X range has been built to full professional specifications for long life & reliable service. Stellar X flash units have more power than its predecessor along with tough aluminium bodies that will stand up to the most vigorous use. The Stellar X is a fully redesigned unit which has many new features aimed firmly & squarely at the professional market. The softbox & umbrella combination kits are more suited to portrait & fashion work or more detailed product photography. Chose this combination kit when you need close attention to detail with product photography. Interfit Stellar X Flash Head series have easy to see analogue controls. The rear control panel houses a grab handle & controls that allow the flash & modelling lamp intensity to be set. Also provided are switches that allow choice of audible or silent recycling indication & modelling lamp controls. Fan cooling ensures that the flash capacitors & associated circuitry are kept to their optimum working temperature even during periods of prolonged use. User changeable flash tubes ensure both long life & colour consistency. Also, Auto Power Dumping, thermal cut-out devices & greater air flow around the capacitors are features of the Stellar X Head that professionals find highly desirable.