YONGNUO Pro LED Video Light Flash YN140 YN-140 with Adjustable Color Temperature 3200K-6000K for Canon Nikon Pentax Panasonic Olympus Camera DV Video Camcorder Adjustable color temperature ranging from 3200k to 6000k Light Source: 140 High-brightness LED Combine flash and always on to record videos and take photos The pure copper fixed stand makes it more stable and mountable to hot shoe socket, and professional lamp holder The camera lamp can be connected to the flash trigger through the PC interface to realize off camera flash triggering