TTL Flash Manual Flash Multi flash Wireless master function: C version support Canon wireless trigger N version support Nikon wireless trigger. Wireless slave unit function: Compatibility with the Nikon Camera Wireless flash system realize TTL from machine manual and frequency flash. S1/S2 Light flashing mode Flash Control by Camera (only for the newest Canon Version) High Speed Sync 1/8000s Rear-curtain Sync Voice Prompt Custom function Power save mode Overheating protection Automatic save function Large size LCD display Manual Auto Zoom function Quick response: Full output recycle time only 2.9 seconds. Support High Speed Continuous Shooting: In 1/16 brightness and blew it can support 12EPS high speed continuous shooting. Suitable for all Nikon cameras like Nikon D3s D3x D3 D700 D300s D300D200D100 D90 D80 D70s D7000D5100 D5000 D3100D3000 D60 D40X D800 D600 etc.