COMPATIBILITY: This dynamic flash is proven to be compatible with all DSLR cameras that possess a metal hot shoe;
TTL FLASH: This flash is also automatically compatible with iTTL, TTL flash Supports wireless TTL flash, and S1, S2 wireless trigger flash as well.
ACCELERATED CHARGE: it only takes 3 seconds to finish a charging cycle after a full level output, you can use an external power pack to accelerate the charging speed. Included is a power saving mode that allows the flash to auto-power down in order to conserve the batteries.
SWIVEL HEAD: You can take photos by aiming the flash head at a wall or ceiling and using the light, reflected back to light the desired subject. Using this method prevents casting a shadow directly behind your subject.