Yongnuo YN-468II YN-468 II TTL Shoe Mount Flash Speedlite Speedlight for Nikon D300s, D300, D200, D7000, D90, D80,D70s, D70, D5100, D5000, D3100, D3000 Improved New Battery Compartment Improved Optical Slave Sensor. S1 mode--used with manual flash or studio flash, S2 mode--designed for digital TTL flash Improved AF Assist Light PC Sync Port Improved Buttons Design