Model Number: YN-622N II Brand Name: YONGNUO Key Specifications/Special Features: Quick lock design, supports USB firmware upgradeSupports "622" communication mode, "603-RX" communication modeCompatible flash mode: i-TTL, Manual flashCompatible Shutter sync: front-curtain sync, rear- curtain sync and high-speed sync(HSS/FP), the highest sync speed is 1/8000s*Support remote set the parameters of flash through the transceiver (Remote Control Mode)Support i-TTL/Manual/Repeating flash mode mix using(Mix Control Mode)
Support the flash installed on transmitter(on-top flash)and supports i-TTL function

Support the use of master unit on transmitter sets the parameters of each group(Master Control Mode)

Support FEC, FVL function

Support modeling flash and red-eye reduction flash

Support flash zooming (auto)

Built-in AF assist beam emitter (AF Lamp)

Settings saved automatically

Compatible with YongNuo/ Nikon series flashes

Support PC port triggering strobe flashes

PC port support front/rear curtain sync and high-speed sync(Super Sync)function

Support single-contact of camera & flash triggering (max sync speed is 1/250s)