• The unit mounts onto any standard lightstand with a 5/8" or smaller mounting stud. It has a circular flash tube that is daylight balanced at 5600 deg. K, a guide number of 90 at ISO 100 and a recycling time of 5-7 seconds. It also comes with a 60 watt removable modeling lamp. The Budget Studio monolight Flash can be triggered through the camera with its included 12' sync cord, by another flash being fired and activating the built-in Photo-Slave, or through its open-flash test button. It's a compact 7.0" long with a diameter of 3-3/4" and weighs only 15 ounces.