Neewer 400C Photo Stuido 400W 5600K Bowens Mount Strobe Flash Monolight with 150W Modeling Lamp for Studio,Location and Portrait Photography 400C monolight strobe flash is used in photography to produces an instantaneous flash of artificial light at a color temperature of about 5600K to help illuminate a scene. It is high luminous efficiency, long life, no radiation and energy saving. It has the in-built temperature protection circuit and in-built automatic cooling system. This is a higher powered strobe light that can be used both outdoor and indoor and is good for studio work and larger scale on location shoots alike It inclueds:(1)400W Strobe Flash +(1)33 Feet/10M Sync Cord +(1)17 Feet/5M Grounded Power Cord+(1)150W Halogen Modeling Lamp+(1) Protective Cap for Flash Tube+(1) Instruction Manual.