Godox SL-100W 6500LUX Studio LED Continuous Video Light Bowens Mount 100W LED bulbs guarantee high light brightness. The color rendering index is over 90 and R9 is over 50, presenting the objects authentically. Wirelessly adjust light brightness. Wireless 433MHz grouping system (6 groups & 16 channels). With red copper heatsink and built?in fan to prevent overheating.