High-quality materials: durable 600 pcs led bulbs (300 white and 300 yellow) are all coming from german, color temperature is 3200k to 5600k, brightness range of 100 to 1%, cri > 95, 4800lm, out power is 40 w, lamp life, more than 50000 hrs.
parameter memory setting:sutefoto 660 pro can save your last setting, when you turn off the light power will keep the existing setting, turn on the light again in the next time, all the settings will be the same.
powered by ac adapter (included) or sony f series power supply battery.