Powerextra Professional DF-400 Speedlite Camera Flash for Canon Nikon Pentax Samsung Fujifilm Olympus Panasonic Sigma Minolta Leica Ricoh DSLR Cameras and Digital Cameras with Single-Contact Hotshoe Powerextra speedlite with a guide number of 33 (ISO 100/1m), Support manual mode, S1 and S2 wireless flash trigger modes, Single-contact hot shoe. Approximate 3.0 seconds flash recycle time, Power saving automatic shutdown function, automatic save function. For a test flash, Press the test button to fire a test flash with the current mode settings. The flash has 8 level of power output control which indicated by 8 pieces of LED lamp for different level. Powered by 4 pcs AA-size battery backup, provides PC port, you can make the flash synchronous by connecting to the PC port. Head Rotation: Vertical Rotation Angle: 0~90 Degrees, Horizontal Rotation Angle: 0~270 Degrees. Package included: Powerextra DF-400 speedlite 1, Protective bag 1, Mini Stand 1, Instruction manual 1