| Guide Number | 16' / 4.9 m |
| Flash Duration | 1/1200 to 1/34000 Second |
| Recycle Time | Approx. 0.01 to 1.7 Seconds |
| Exposure Control | TTL via Separate Commander, Manual |
| Power Range | 1/1 to 1/128 |
| Secondary Illumination | Modeling Light |
| Wireless Operation | Radio (TTL/Manual) Up to 98.4' / 30 m (Slave) |
| Wireless Channels | 32 |
| Wireless Groups | 5 |
| Internal Power | 1 x Built-In Rechargeable (500 Full-Power Flashes) |
| External Power Pack Compatible | No |
| Mount | Shoe Mount (Controller), Lens Mount (Flash) |
| Lens Compatibility | 49mm/52mm/55mm/58mm/62mm/67mm/72mm/77mm Filter Threads |
| Display | Yes |
| Off-Camera Terminal | None |
| Dimensions (W x H x D) | 3.2 x 3.0 x 2.5" / 81.0 x 76.5 x 64.3 mm (Individual Flash Head) |
| Weight | 5.1 oz / 144 g |
| Package Weight | 2.515 lb |
| Box Dimensions (LxWxH) | 10.1 x 9.7 x 3.8" |