The SP-147VP delivers twice the power of the SP-100. Click-Stop Variable power output with settings at full, half and quarter power permits control of lighting ratios. Utilizing the same versatile accessories as the SP-100 and SP-920MDLVP, the SP-147VP offers the option of providing efficient lighting modification. The SP-147 screws into a standard light bulb socket, which SP sells as an accessory for this light. It is not included.
SP Studio Systems 147VP AC Slave with Variable Power (Screw-In)