This series of controllers have 255-level brightness control and digital tube display,Can be adjusted manually, short circuit protection, external trigger input,Inputting an external signal such as a camera trigger signal to the controller can make the light source perform stroboscopic lighting, thereby greatly extending the life of the light source,The PC connects the controller with the computer through the RS232 serial port, and the digital controller can be controlled by the computer, and the power is saved, so that you do not need to set the parameters every time you turn on the machine.