Canon Version
- E-TTL- / E-TTL-II flash mode
- E-TTL remote mode (Slave and servo mode)
Nikon / Fujifilm Version
- i-TTL / D-TTL / 3D flash mode
- i-TTL remote mode (Slave and servo mode)
Olympus / Panasonic / Leica Version
- Four Thirds TTL flash mode
- Four Thirds TTL remote mode (Slave and servo mode)
Pentax Version
- P-TTL flash mode
- P-TTL remote mode (slave operation)
Sony Alpha Version
- ADI flash mode
- ADI remote mode (slave operation)