The Elinchrom D-Lite it 400ws Monolight expands the possibilities of a lightweight, portable strobe--this multi-voltage monolight recognizes and uses any AC power source from 90-260VAC, the light power is variable in 1/10 steps from 24 to 400Ws, the cooling fan is controlled by a microprocessor that automatically keeps the temperature in the safety zone and the built-in photo slave cell adjusts automatically for camera (anti-red-eye) pre-flashes. The built-in Skyport Wireless receiver has 4 frequency channels and 2 sync modes (Normal up to 1/160 sec. and Speed up to 1/250 sec.). Settings can be customized on each D-Lite it unit. Required Skyport transmitter is available separately. This is an ideal kit for portraits, still life, product, architectural photography and more.