FE series is made up by highly bright SMD LED chips, Lifetime is up to 50,000 hours. This series is more efficient and energy saving, even can reach the least level of light-loss. With LCD screen to show power output,color temperature, Channel, remote control optional for easy operation to control group lights. Work either with two Sony F750/970 batteries(14.5V) or AC adapter (110V-220V). Adjustable color temperature range from 3200-5500K. FE series fits for outdoor shooting. Characters and Wedding Photography, make-up lighting and studios.