Digital Studio Flash.Single-chip microcomputer controlling, Anti red eye function, Digital ... Features1. Exquisite appearance, Top quality metal material housing2. Light weight, easy to carry and operate3. Single-chip microcomputer controling technology4. Clear ... /Synch Cable9. Cool Fan: Yes10: Plug-in Flash Tube: Yes (easy to replace)11. Auto Power release: Yes12. Synch Voltage: 5V10 ...