Vertical Rotation Angle: 0~90 degrees, Horizontal Rotation Angle: 0~270 degrees
Compatible with Canon Digital EOS and Nikon DSLR cameras
Power Management: Switch to the ON, the flash will start charging (the charging indicator is dim).
For a test flash, press the test button. After use, press the ON/OFF to OFF to power off.
Red charging indicator lamp flickers in every 1s; it indicates low battery.
The flash unit has 8 steps of power output control which indicated by 8 pieces of LED.