Use the 135Ws SP150 AC Studio Flash from SP Studio Systems to light up your main subject or serve as an easily positioned slave to help bring your lighting to the next level. This compact flash offers a stepless 5-stop power range from 1/1 to 1/16 and features a maximum guide number of 118' at ISO 100 using the four 5600K flash tubes. It has an illumination angle of 60° x 60° for lighting up the scene and features two optical slave sensors, one on front and one on back, as well as a PC sync port for syncing up with your camera or strobes.
A 60W reflector bulb is present for use as a modeling light and the SP150 can recycle in 0.5-5 seconds. Also, it features both an orange ready light and a green power light. A 1/4"-20 thread is available on the base for mounting to a stand or bracket. And, it runs on AC power or a 6V A544 battery.